Fix .deb packaging after Gweb source upgrade to 3.5.4.
Remove unused files in the `web/debian` subdirectory.
Update monitor core sources to upstream tag 3.5.0.

  new file:   .travis.yml
  modified:   INSTALL
  deleted:    README
  new file:   README.md
  new file:   README.svn2git
  new file:   authors.txt
  new file:   bootstrap
  deleted:    ganglia.html
  deleted:    ganglia.spec
  new file:   git2dist.rc
  deleted:    gmetad-python/Gmetad/gmetad_config.py
  modified:   gmetad-python/Gmetad/gmetad_data.py
  deleted:    gmetad-python/gmetad-python.conf
  deleted:    gmetad-python/plugins/rrd_plugin.py
  deleted:    gmetad-python/setup.py
  modified:   gmetad/Makefile.am
  deleted:    gmetad/cmdline.c
  deleted:    gmetad/conf.c
  modified:   gmetad/conf.c.in
  modified:   gmetad/conf.h
  modified:   gmetad/data_thread.c
  modified:   gmetad/gmetad.c
  modified:   gmetad/gmetad.conf.in
  modified:   gmetad/gmetad.h
  new file:   gmetad/metric_hash.c
  modified:   gmetad/process_xml.c
  modified:   gmetad/rrd_helpers.c
  modified:   gmetad/server.c
  new file:   gmetad/server_priv.h
  deleted:    gmetric/cmdline.c
  modified:   gmetric/cmdline.h
  modified:   gmetric/cmdline.sh
  modified:   gmond/Makefile.am
  deleted:    gmond/cmdline.c
  modified:   gmond/conf.pod
  modified:   gmond/gmond.c
  modified:   gmond/gmond_internal.h
  modified:   gmond/modules/Makefile.am
  modified:   gmond/modules/conf.d/modgstatus.conf
  new file:   gmond/modules/conf.d/modperl.conf.in
  new file:   gmond/modules/conf.d/modphp.conf.in
  modified:   gmond/modules/cpu/mod_cpu.c
  modified:   gmond/modules/cpu/mod_multicpu.c
  new file:   gmond/modules/perl/Makefile.am
  new file:   gmond/modules/perl/README.in
  new file:   gmond/modules/perl/mod_perl.c
  new file:   gmond/modules/php/Makefile.am
  new file:   gmond/modules/php/README.in
  new file:   gmond/modules/php/mod_php.c
  new file:   gmond/perl_modules/Makefile.am
  new file:   gmond/perl_modules/conf.d/example.plconf
  new file:   gmond/perl_modules/example/Makefile.am
  new file:   gmond/perl_modules/example/example.pl
  new file:   gmond/php_modules/Makefile.am
  new file:   gmond/php_modules/conf.d/example.phpconf
  new file:   gmond/php_modules/example/Makefile.am
  new file:   gmond/php_modules/example/example.php
  modified:   gmond/python_modules/apache_status/apache_status.py
  new file:   gmond/python_modules/conf.d/cpu_stats.pyconf
  modified:   gmond/python_modules/conf.d/diskfree.pyconf
  deleted:    gmond/python_modules/conf.d/diskusage.pyconf
  modified:   gmond/python_modules/conf.d/netstats.pyconf
  new file:   gmond/python_modules/cpu/cpu_stats.py
  modified:   gmond/python_modules/db/riak.py
  modified:   gmond/python_modules/disk/diskfree.py
  modified:   gmond/python_modules/network/multi_interface.py
  modified:   gmond/python_modules/network/netstats.py
  modified:   gmond/python_modules/varnish/varnish.py
  modified:   gmond/python_modules/vm_stats/vm_stats.py
  modified:   gmond/sflow.c
  modified:   gmond/sflow.h
  modified:   gmond/sflow_gmetric.h
  modified:   include/ganglia.h
  modified:   include/gm_file.h
  modified:   include/gm_msg.h
  modified:   lib/become_a_nobody.c
  modified:   lib/become_a_nobody.h
  new file:   lib/daemon_inetd.c
  modified:   lib/default_conf.h.in
  modified:   lib/ganglia.c
  modified:   lib/gm_scoreboard.h
  modified:   lib/hash.c
  modified:   lib/libgmond.c
  modified:   lib/llist.c
  modified:   lib/llist.h
  modified:   libmetrics/libmetrics.h
  modified:   libmetrics/linux/metrics.c
  new file:   m4/ax_compare_version.m4
  deleted:    scripts/fixconfig
  new file:   tests/xdrclient.c
  new file:   tests/xdrserver.c
Fix .deb packaging after monitor-core upstream sources update to 3.5.0.

  modified:   Makefile.am
  modified:   configure.in
  modified:   debian/changelog