optimise all JPEGs with optipng

* Optimised all JPEGs with the optipng (options: -o 7) program, with the following results:
  ** Processing: ./html/images/logrotate.png
  		is already optimized.
  ** Processing: ./html/images/hourglass-arrow.png
  		is already optimized.
  ** Processing: ./html/images/logofullsize.png
  		13782 bytes (5560 bytes = 28.75% decrease
  ** Processing: ./html/images/server.png
  		is already optimized.
  ** Processing: ./html/images/tacdisabled.png
  		2298 bytes (19 bytes = 0.82% decrease
  ** Processing: ./html/images/tacenabled.png
  		1526 bytes (56 bytes = 3.54% decrease
  ** Processing: ./html/images/export_json.png
  		461 bytes (221 bytes = 32.40% decrease
  ** Processing: ./html/images/globe-support-150x150.png
  		5560 bytes (2 bytes = 0.04% decrease
  ** Processing: ./html/images/thermwarn.png
  		218 bytes (37 bytes = 14.51% decrease
  ** Processing: ./html/images/icinga-logo.png
  		4422 bytes (1009 bytes = 18.58% decrease
  ** Processing: ./html/images/trendssvc.png
  		11507 bytes (1176 bytes = 9.27% decrease
  ** Processing: ./html/images/histogram.png
  		10386 bytes (2365 bytes = 18.55% decrease
  ** Processing: ./html/images/logos/Stats2.png
  		385 bytes (21 bytes = 5.17% decrease
  ** Processing: ./html/images/logos/icingavrml.png
  		1703 bytes (408 bytes = 19.33% decrease
  ** Processing: ./html/images/icon_reload.png
  		is already optimized.
  ** Processing: ./html/images/arrow-menu.png
  		285 bytes (74 bytes = 20.61% decrease
  ** Processing: ./html/images/warning.png
  		is already optimized.
  ** Processing: ./html/images/thermcrit.png
  		218 bytes (34 bytes = 13.49% decrease
  ** Processing: ./html/images/info.png
  		927 bytes (19 bytes = 2.01% decrease
  ** Processing: ./html/images/critical.png
  		is already optimized.
  ** Processing: ./html/images/redudancy.png
  		4429 bytes (1090 bytes = 19.75% decrease
  ** Processing: ./html/images/command.png
  		is already optimized.
  ** Processing: ./html/images/thermok.png
  		218 bytes (49 bytes = 18.35% decrease
  ** Processing: ./html/images/weblogo1.png
  		3501 bytes (326 bytes = 8.52% decrease
  ** Processing: ./html/images/hourglass-exclamation.png
  		is already optimized.
  ** Processing: ./html/images/redundancy.png
  		4429 bytes (1090 bytes = 19.75% decrease
  ** Processing: ./html/images/export_xml.png
  		3387 bytes (269 bytes = 7.36% decrease
  ** Processing: ./html/images/export_csv.png
  		438 bytes (38 bytes = 7.98% decrease
  ** Processing: ./html/images/unknown.png
  		912 bytes (23 bytes = 2.46% decrease
  ** Processing: ./html/images/recovery.png
  		909 bytes (36 bytes = 3.81% decrease
  ** Processing: ./html/images/trendshost.png
  		11391 bytes (3963 bytes = 25.81% decrease
  ** Processing: ./html/images/NagiosEnterprises-whitebg-112x46.png
  		3126 bytes (870 bytes = 21.77% decrease
  ** Processing: ./html/images/sblogo.png
  		6100 bytes (886 bytes = 12.68% decrease
  ** Processing: ./html/images/cmd_stop.png
  		is already optimized.
  ** Processing: ./html/images/export_link.png
  		267 bytes (46 bytes = 14.70% decrease
  ** Processing: ./html/images/application-monitor.png
  		is already optimized.
  ** Processing: ./html/docs/images/icinga-web-open_problems.png
  		12021 bytes (2929 bytes = 19.59% decrease
  ** Processing: ./html/docs/images/objects-hosts.png
  		7257 bytes (2 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/logofullsize.png
  		3282 bytes (2 bytes = 0.06% decrease
  ** Processing: ./html/docs/images/cgi-extinfo-a.png
  		is already optimized.
  ** Processing: ./html/docs/images/db_model_cu.png
  		66638 bytes (521 bytes = 0.78% decrease
  ** Processing: ./html/docs/images/icinga-web-search1_1.3.png
  		71383 bytes (20686 bytes = 22.47% decrease
  ** Processing: ./html/docs/images/icinga-web-filter1.png
  		17411 bytes (4074 bytes = 18.96% decrease
  ** Processing: ./html/docs/images/db_model_cf.png
  		132513 bytes (2362 bytes = 1.75% decrease
  ** Processing: ./html/docs/images/icinga-web-search1_1.6.png
  		46527 bytes (12411 bytes = 21.06% decrease
  ** Processing: ./html/docs/images/fig5.png
  		4138 bytes (3 bytes = 0.07% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks2a_1.6.png
  		5695 bytes (1620 bytes = 22.15% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks1.png
  		12000 bytes (2380 bytes = 16.55% decrease
  ** Processing: ./html/docs/images/multiple-templates2.png
  		8091 bytes (4 bytes = 0.05% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks3_1.5.png
  		11401 bytes (3312 bytes = 22.51% decrease
  ** Processing: ./html/docs/images/perfdata_cached2.png
  		18341 bytes (11196 bytes = 37.91% decrease
  ** Processing: ./html/docs/images/cgi-continue.png
  		1142 bytes (220 bytes = 16.15% decrease
  ** Processing: ./html/docs/images/icinga-web-search1.png
  		52586 bytes (10137 bytes = 16.16% decrease
  ** Processing: ./html/docs/images/host-dependencies.png
  		6017 bytes (5 bytes = 0.08% decrease
  ** Processing: ./html/docs/images/perfdata_extcmd.png
  		10307 bytes (8819 bytes = 46.11% decrease
  ** Processing: ./html/docs/images/printer.png
  		1929 bytes (6 bytes = 0.31% decrease
  ** Processing: ./html/docs/images/icinga-web-mainscreen1_1.3.png
  		13881 bytes (4915 bytes = 26.15% decrease
  ** Processing: ./html/docs/images/cgi-config.png
  		10442 bytes (12 bytes = 0.11% decrease
  ** Processing: ./html/docs/images/icinga-web-tackle2.png
  		50605 bytes (12871 bytes = 20.28% decrease
  ** Processing: ./html/docs/images/cachedcheckgraphs.png
  		39132 bytes (9844 bytes = 20.10% decrease
  ** Processing: ./html/docs/images/important.png
  		1166 bytes (2 bytes = 0.17% decrease
  ** Processing: ./html/docs/images/checkmark.png
  		586 bytes (3 bytes = 0.51% decrease
  ** Processing: ./html/docs/images/icinga-web-admin_groups1.png
  		19571 bytes (4602 bytes = 19.04% decrease
  ** Processing: ./html/docs/images/cgi-extinfo-d.png
  		is already optimized.
  ** Processing: ./html/docs/images/tip.png
  		1320 bytes (7 bytes = 0.53% decrease
  ** Processing: ./html/docs/images/icinga-web-overview.png
  		32333 bytes (841068 bytes = 96.30% decrease
  ** Processing: ./html/docs/images/icinga-web-commands_hst_1.5.png
  		23526 bytes (7696 bytes = 24.65% decrease
  ** Processing: ./html/docs/images/downtime.png
  		7589 bytes (3 bytes = 0.04% decrease
  ** Processing: ./html/docs/images/cgi-showlog.png
  		10414 bytes (12 bytes = 0.12% decrease
  ** Processing: ./html/docs/images/fig4.png
  		8763 bytes (4 bytes = 0.05% decrease
  ** Processing: ./html/docs/images/tuning.png
  		3788 bytes (3 bytes = 0.08% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks2a.png
  		5738 bytes (1559 bytes = 21.36% decrease
  ** Processing: ./html/docs/images/icinga-web-admin_logs1.png
  		8463 bytes (1586 bytes = 15.78% decrease
  ** Processing: ./html/docs/images/cgi-status-a.png
  		10383 bytes (12 bytes = 0.12% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks2_1.3.png
  		7782 bytes (2157 bytes = 21.70% decrease
  ** Processing: ./html/docs/images/fig3.png
  		8079 bytes (3 bytes = 0.04% decrease
  ** Processing: ./html/docs/images/noninterleaved1.png
  		66403 bytes (2134 bytes = 3.11% decrease
  ** Processing: ./html/docs/images/multiple-templates1.png
  		14510 bytes (3 bytes = 0.02% decrease
  ** Processing: ./html/docs/images/network-outage1.png
  		19176 bytes (3 bytes = 0.02% decrease
  ** Processing: ./html/docs/images/icinga-web-overview_1.6.png
  		112172 bytes (26023 bytes = 18.83% decrease
  ** Processing: ./html/docs/images/activechecks.png
  		6897 bytes (2 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/cgi-extinfo-c.png
  		10071 bytes (12 bytes = 0.12% decrease
  ** Processing: ./html/docs/images/ndoutils.png
  		13975 bytes (2178 bytes = 13.48% decrease
  ** Processing: ./html/docs/images/objects-contacts.png
  		4930 bytes (3 bytes = 0.06% decrease
  ** Processing: ./html/docs/images/epn.png
  		6466 bytes (5 bytes = 0.08% decrease
  ** Processing: ./html/docs/images/cgi-pause.png
  		1637 bytes (446 bytes = 21.41% decrease
  ** Processing: ./html/docs/images/icinga-web-commands_svc_1.6.png
  		18589 bytes (5213 bytes = 21.90% decrease
  ** Processing: ./html/docs/images/icinga-web-statuscronk_1.6.png
  		15063 bytes (2575 bytes = 14.60% decrease
  ** Processing: ./html/docs/images/cgi-cmd.png
  		is already optimized.
  ** Processing: ./html/docs/images/fig10.png
  		5196 bytes (3 bytes = 0.06% decrease
  ** Processing: ./html/docs/images/reptop10.png
  		60708 bytes (4092 bytes = 6.31% decrease
  ** Processing: ./html/docs/images/icinga-reporting_1.6.png
  		77148 bytes (16986 bytes = 18.04% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks2.png
  		5799 bytes (1301 bytes = 18.32% decrease
  ** Processing: ./html/docs/images/configoverview.png
  		8682 bytes (2 bytes = 0.02% decrease
  ** Processing: ./html/docs/images/icinga-web-mainscreen1_1.5.png
  		14339 bytes (3740 bytes = 20.69% decrease
  ** Processing: ./html/docs/images/caution.png
  		658 bytes (592 bytes = 47.36% decrease
  ** Processing: ./html/docs/images/icinga-web-host_1.5.png
  		25018 bytes (6577 bytes = 20.82% decrease
  ** Processing: ./html/docs/images/fast-startup2.png
  		4300 bytes (3 bytes = 0.07% decrease
  ** Processing: ./html/docs/images/cgi-statusinfo.png
  		8903 bytes (2763 bytes = 23.68% decrease
  ** Processing: ./html/docs/images/icinga-web-hostgroup_1.5.png
  		23871 bytes (6087 bytes = 20.32% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks2_1.7.png
  		7200 bytes (1955 bytes = 21.35% decrease
  ** Processing: ./html/docs/images/interleaved3.png
  		76721 bytes (1902 bytes = 2.42% decrease
  ** Processing: ./html/docs/images/icinga-web-admin_groups2_1.6.png
  		38185 bytes (10244 bytes = 21.15% decrease
  ** Processing: ./html/docs/images/icinga-web-commands_svc_1.5.png
  		17899 bytes (5707 bytes = 24.18% decrease
  ** Processing: ./html/docs/images/icinga-web-settings_1.5.png
  		5011 bytes (1599 bytes = 24.19% decrease
  ** Processing: ./html/docs/images/perfdata_svc.png
  		27399 bytes (13813 bytes = 33.52% decrease
  ** Processing: ./html/docs/images/icinga-web-admin_users2_1.6.png
  		31970 bytes (9555 bytes = 23.01% decrease
  ** Processing: ./html/docs/images/cgi-trends.png
  		is already optimized.
  ** Processing: ./html/docs/images/reachability3.png
  		12254 bytes (7 bytes = 0.06% decrease
  ** Processing: ./html/docs/images/icinga-web-tackle4.png
  		25021 bytes (6282 bytes = 20.07% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks2_1.6.png
  		6164 bytes (1830 bytes = 22.89% decrease
  ** Processing: ./html/docs/images/cgi-status-d.png
  		10795 bytes (12 bytes = 0.11% decrease
  ** Processing: ./html/docs/images/cgi-summary.png
  		11282 bytes (12 bytes = 0.11% decrease
  ** Processing: ./html/docs/images/fig6.png
  		5896 bytes (3 bytes = 0.05% decrease
  ** Processing: ./html/docs/images/fig9.png
  		5461 bytes (3 bytes = 0.05% decrease
  ** Processing: ./html/docs/images/cgi-statuswrl.png
  		4648 bytes (38 bytes = 0.81% decrease
  ** Processing: ./html/docs/images/security2.png
  		9484 bytes (3 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/nrpe.png
  		9072 bytes (3939 bytes = 30.27% decrease
  ** Processing: ./html/docs/images/icinga-web-login.png
  		4447 bytes (1166 bytes = 20.77% decrease
  ** Processing: ./html/docs/images/cgi-tac.png
  		is already optimized.
  ** Processing: ./html/docs/images/icinga-web-filter2_1.3.png
  		14673 bytes (4618 bytes = 23.94% decrease
  ** Processing: ./html/docs/images/cgi-status-b.png
  		12318 bytes (12 bytes = 0.10% decrease
  ** Processing: ./html/docs/images/icinga-web-commands_svc.png
  		20922 bytes (6074 bytes = 22.50% decrease
  ** Processing: ./html/docs/images/icinga-web-mainscreen1.png
  		36029 bytes (11536 bytes = 24.25% decrease
  ** Processing: ./html/docs/images/icinga-web-tackle1.png
  		70145 bytes (15215 bytes = 17.82% decrease
  ** Processing: ./html/docs/images/objects-timeperiods.png
  		2375 bytes (3 bytes = 0.13% decrease
  ** Processing: ./html/docs/images/security3.png
  		11300 bytes (3 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/cachedchecks1.png
  		4553 bytes (2 bytes = 0.04% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks1_1.5.png
  		27869 bytes (10269 bytes = 26.93% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks2_1.5.png
  		7330 bytes (2181 bytes = 22.93% decrease
  ** Processing: ./html/docs/images/perfdata_cached.png
  		13726 bytes (9784 bytes = 41.62% decrease
  ** Processing: ./html/docs/images/security.png
  		2671 bytes (3 bytes = 0.11% decrease
  ** Processing: ./html/docs/images/reachability1.png
  		10488 bytes (2 bytes = 0.02% decrease
  ** Processing: ./html/docs/images/cgi-status-c.png
  		10795 bytes (12 bytes = 0.11% decrease
  ** Processing: ./html/docs/images/icinga-web-overview_1.7.png
  		109406 bytes (24771 bytes = 18.46% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks1_1.3.png
  		22627 bytes (7493 bytes = 24.88% decrease
  ** Processing: ./html/docs/images/cgi-extinfo-b.png
  		is already optimized.
  ** Processing: ./html/docs/images/cgi-commands.png
  		4915 bytes (967 bytes = 16.44% decrease
  ** Processing: ./html/docs/images/cgi-general.png
  		3157 bytes (424 bytes = 11.84% decrease
  ** Processing: ./html/docs/images/fig2.png
  		5483 bytes (5 bytes = 0.09% decrease
  ** Processing: ./html/docs/images/network-outage2.png
  		28953 bytes (3 bytes = 0.01% decrease
  ** Processing: ./html/docs/images/perfdata_lat.png
  		16640 bytes (11248 bytes = 40.33% decrease
  ** Processing: ./html/docs/images/icinga-web-statuscronk.png
  		9967 bytes (1953 bytes = 16.38% decrease
  ** Processing: ./html/docs/images/integrationoverview.png
  		11232 bytes (2 bytes = 0.02% decrease
  ** Processing: ./html/docs/images/statetransitions2.png
  		2265 bytes (24 bytes = 1.05% decrease
  ** Processing: ./html/docs/images/distributed.png
  		40378 bytes (15292 bytes = 27.47% decrease
  ** Processing: ./html/docs/images/eventhandlers.png
  		4032 bytes (2 bytes = 0.05% decrease
  ** Processing: ./html/docs/images/icinga-web-admin_groups1_1.6.png
  		23243 bytes (5953 bytes = 20.39% decrease
  ** Processing: ./html/docs/images/cgi-statuswml.png
  		7845 bytes (391 bytes = 4.75% decrease
  ** Processing: ./html/docs/images/monitoring-routers.png
  		7799 bytes (2 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks3_1.3.png
  		13182 bytes (3636 bytes = 21.62% decrease
  ** Processing: ./html/docs/images/icinga-web-commands_hst.png
  		26636 bytes (7175 bytes = 21.22% decrease
  ** Processing: ./html/docs/images/reachability4.png
  		13085 bytes (3 bytes = 0.02% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks3_1.6.png
  		10507 bytes (3056 bytes = 22.53% decrease
  ** Processing: ./html/docs/images/fig11.png
  		5789 bytes (2 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/perfdata_cmdbuf.png
  		14693 bytes (9979 bytes = 40.45% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks3.png
  		8520 bytes (1132 bytes = 11.73% decrease
  ** Processing: ./html/docs/images/freshness.png
  		4490 bytes (3 bytes = 0.07% decrease
  ** Processing: ./html/docs/images/cgi-histogram.png
  		is already optimized.
  ** Processing: ./html/docs/images/icinga-web-log_1.3.png
  		29131 bytes (7213 bytes = 19.85% decrease
  ** Processing: ./html/docs/images/icinga-web-admin_users1_1.6.png
  		8181 bytes (2079 bytes = 20.26% decrease
  ** Processing: ./html/docs/images/db_model_dt.png
  		6137 bytes (3 bytes = 0.05% decrease
  ** Processing: ./html/docs/images/fig12.png
  		11684 bytes (3 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/stoprestart.png
  		5074 bytes (3 bytes = 0.06% decrease
  ** Processing: ./html/docs/images/perfdata_exec.png
  		14867 bytes (10376 bytes = 41.10% decrease
  ** Processing: ./html/docs/images/icinga-web-log_1.6.png
  		16726 bytes (4791 bytes = 22.27% decrease
  ** Processing: ./html/docs/images/checktiming.png
  		6145 bytes (2 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks1_1.7.png
  		26288 bytes (8786 bytes = 25.05% decrease
  ** Processing: ./html/docs/images/icinga-web-topmenu2.png
  		6554 bytes (1213 bytes = 15.62% decrease
  ** Processing: ./html/docs/images/icinga-web-admin_users2.png
  		30612 bytes (7499 bytes = 19.68% decrease
  ** Processing: ./html/docs/images/fig13.png
  		7478 bytes (3 bytes = 0.04% decrease
  ** Processing: ./html/docs/images/icinga-web-main_bar.png
  		2221 bytes (631 bytes = 22.12% decrease
  ** Processing: ./html/docs/images/icinga-web-admin_groups2.png
  		18852 bytes (4769 bytes = 20.19% decrease
  ** Processing: ./html/docs/images/icinga-web-commands_hst_1.3.png
  		23490 bytes (14796 bytes = 38.65% decrease
  ** Processing: ./html/docs/images/noninterleaved2.png
  		68710 bytes (1893 bytes = 2.68% decrease
  ** Processing: ./html/docs/images/rep_avail.png
  		40484 bytes (186 bytes = 0.46% decrease
  ** Processing: ./html/docs/images/note.png
  		685 bytes (3 bytes = 0.44% decrease
  ** Processing: ./html/docs/images/statetransitions.png
  		2619 bytes (34 bytes = 1.28% decrease
  ** Processing: ./html/docs/images/icinga-web-search1_1.7.png
  		23569 bytes (7693 bytes = 24.61% decrease
  ** Processing: ./html/docs/images/redundancy.png
  		9975 bytes (3 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/icinga-web-overview_1.5.png
  		96401 bytes (23401 bytes = 19.53% decrease
  ** Processing: ./html/docs/images/cgi-outages.png
  		is already optimized.
  ** Processing: ./html/docs/images/security1.png
  		8393 bytes (4 bytes = 0.05% decrease
  ** Processing: ./html/docs/images/tcpwrappers.png
  		8741 bytes (3 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/idoutils.png
  		5305 bytes (2 bytes = 0.04% decrease
  ** Processing: ./html/docs/images/db_model_ht.png
  		73870 bytes (81 bytes = 0.11% decrease
  ** Processing: ./html/docs/images/icinga-web-tackle3.png
  		14921 bytes (3257 bytes = 17.92% decrease
  ** Processing: ./html/docs/images/nscpp.png
  		22589 bytes (4051 bytes = 15.21% decrease
  ** Processing: ./html/docs/images/icinga-web-commands_svc_1.3.png
  		19487 bytes (11932 bytes = 37.98% decrease
  ** Processing: ./html/docs/images/icinga-web-admin_users1.png
  		13866 bytes (3404 bytes = 19.71% decrease
  ** Processing: ./html/docs/images/icinga-web-settings.png
  		4408 bytes (1290 bytes = 22.64% decrease
  ** Processing: ./html/docs/images/icinga-web-filter1_1.3.png
  		20694 bytes (7420 bytes = 26.39% decrease
  ** Processing: ./html/docs/images/objects-commands.png
  		666 bytes (8 bytes = 1.19% decrease
  ** Processing: ./html/docs/images/cgi-history.png
  		is already optimized.
  ** Processing: ./html/docs/images/Architecture_1.5_800px.png
  		76929 bytes (6882 bytes = 8.21% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks2a_1.7.png
  		5381 bytes (1423 bytes = 20.91% decrease
  ** Processing: ./html/docs/images/service-dependencies.png
  		23493 bytes (8259 bytes = 26.01% decrease
  ** Processing: ./html/docs/images/nsca.png
  		6911 bytes (2 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/icinga-web-mainscreen1_1.6.png
  		12647 bytes (3009 bytes = 19.22% decrease
  ** Processing: ./html/docs/images/icinga-web-hostgroup_1.6.png
  		20167 bytes (4909 bytes = 19.58% decrease
  ** Processing: ./html/docs/images/plugins.png
  		7830 bytes (2 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/icinga-web-srv_1.5.png
  		17201 bytes (4572 bytes = 21.00% decrease
  ** Processing: ./html/docs/images/cgi-statusmap.png
  		is already optimized.
  ** Processing: ./html/docs/images/fig1.png
  		10118 bytes (2 bytes = 0.02% decrease
  ** Processing: ./html/docs/images/fig8.png
  		4791 bytes (3 bytes = 0.06% decrease
  ** Processing: ./html/docs/images/icinga-web-commands_hst_1.6.png
  		25238 bytes (7363 bytes = 22.59% decrease
  ** Processing: ./html/docs/images/passivechecks.png
  		5263 bytes (3 bytes = 0.06% decrease
  ** Processing: ./html/docs/images/flags/um_gb.png
  		633 bytes (67 bytes = 9.57% decrease
  ** Processing: ./html/docs/images/flags/de.png
  		417 bytes (128 bytes = 23.49% decrease
  ** Processing: ./html/docs/images/cachedchecks.png
  		5596 bytes (4 bytes = 0.07% decrease
  ** Processing: ./html/docs/images/cgi-notifications.png
  		11182 bytes (12 bytes = 0.11% decrease
  ** Processing: ./html/docs/images/fast-startup1.png
  		6308 bytes (4 bytes = 0.06% decrease
  ** Processing: ./html/docs/images/icinga-web-filter2.png
  		13746 bytes (3775 bytes = 21.55% decrease
  ** Processing: ./html/docs/images/interleaved2.png
  		67850 bytes (1730 bytes = 2.49% decrease
  ** Processing: ./html/docs/images/monitoring-windows.png
  		6805 bytes (2 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/icinga-web-admin_principals.png
  		28192 bytes (6051 bytes = 17.67% decrease
  ** Processing: ./html/docs/images/fast-startup.png
  		8766 bytes (2 bytes = 0.02% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks1_1.6.png
  		23886 bytes (8144 bytes = 25.43% decrease
  ** Processing: ./html/docs/images/db_model_ct.png
  		3808 bytes (2 bytes = 0.05% decrease
  ** Processing: ./html/docs/images/perfdata_state_chg.png
  		14045 bytes (10423 bytes = 42.60% decrease
  ** Processing: ./html/docs/images/perfdata_host.png
  		26868 bytes (14023 bytes = 34.29% decrease
  ** Processing: ./html/docs/images/icinga-web-filter1_1.6.png
  		27848 bytes (7069 bytes = 20.25% decrease
  ** Processing: ./html/docs/images/icinga-web-statuscronk_1.5.png
  		11503 bytes (2554 bytes = 18.17% decrease
  ** Processing: ./html/docs/images/icinga-web-srv_1.6.png
  		14886 bytes (3602 bytes = 19.48% decrease
  ** Processing: ./html/docs/images/objects-services.png
  		5150 bytes (2 bytes = 0.04% decrease
  ** Processing: ./html/docs/images/externalcommands.png
  		3874 bytes (3 bytes = 0.08% decrease
  ** Processing: ./html/docs/images/icinga-web-cronks3_1.7.png
  		15722 bytes (5826 bytes = 27.04% decrease
  ** Processing: ./html/docs/images/fig7.png
  		6660 bytes (4 bytes = 0.06% decrease
  ** Processing: ./html/docs/images/nrpe_remote.png
  		13226 bytes (5181 bytes = 28.15% decrease
  ** Processing: ./html/docs/images/monitoring-printers.png
  		5468 bytes (2 bytes = 0.04% decrease
  ** Processing: ./html/docs/images/cgi-avail-a.png
  		is already optimized.
  ** Processing: ./html/docs/images/icinga-web-admin_tasks.png
  		6875 bytes (3618 bytes = 34.48% decrease
  ** Processing: ./html/docs/images/icinga-web-topmenu1_1.6.png
  		5467 bytes (1236 bytes = 18.44% decrease
  ** Processing: ./html/docs/images/MyServiceStatus.png
  		93204 bytes (19154 bytes = 17.05% decrease
  ** Processing: ./html/docs/images/icinga-web-topmenu2_1.3.png
  		7407 bytes (1304 bytes = 14.97% decrease
  ** Processing: ./html/docs/images/switch.png
  		3428 bytes (3 bytes = 0.09% decrease
  ** Processing: ./html/docs/images/passivehosttranslation.png
  		15141 bytes (2 bytes = 0.01% decrease
  ** Processing: ./html/docs/images/icinga-web-topmenu1.png
  		4248 bytes (847 bytes = 16.62% decrease
  ** Processing: ./html/docs/images/icinga-web-overview_1.3.png
  		76380 bytes (20334 bytes = 21.02% decrease
  ** Processing: ./html/docs/images/icinga-web-log.png
  		18157 bytes (3067 bytes = 14.45% decrease
  ** Processing: ./html/docs/images/icinga-web-filter3.png
  		4532 bytes (352 bytes = 7.21% decrease
  ** Processing: ./html/docs/images/icinga-web-topmenu1_1.7.png
  		6130 bytes (1629 bytes = 20.99% decrease
  ** Processing: ./html/docs/images/icinga-web-host_1.6.png
  		23736 bytes (5660 bytes = 19.25% decrease
  ** Processing: ./html/docs/images/cgi-avail-b.png
  		is already optimized.
  ** Processing: ./html/docs/images/interleaved1.png
  		68580 bytes (1590 bytes = 2.27% decrease
  ** Processing: ./html/docs/images/predictive-dependency-checks.png
  		10682 bytes (3 bytes = 0.03% decrease
  ** Processing: ./html/docs/images/tac_header2.png
  		9312 bytes (2018 bytes = 17.81% decrease
  ** Processing: ./html/docs/images/reachability2.png
  		12002 bytes (5 bytes = 0.04% decrease