nagios-plugins: Update url/source to monitoring-plugins.org.

Fix #320
nagios-plugins: Update to 1.5 (contrib plugins removed!)

Fix #321
Fixing Issue #319

Fixing Issue #319 preventing unoconv from being installed in CentOS. I am not sure if "_with_openoffice2" needs changing too.
clamav-0.98.1: new upstream release
initial commit of perl-HTTP-Async

with perl-Net-HTTPS-NB for dependency
initial commit of perl-Dancer-Plugin-Database

with perl-Dancer update and perl-Dancer-Plugin-Database-Core for dependencies
Icinga: Update to 1.11.0, mailinglists, download url.
Icinga Web: Update to 1.11.0, mailinglists, download url.
Merge pull request #324 from nikosp77/patch-2

Fixing Issue #319
icinga: Update icinga.spec: groupadd

Updated groupadd steps to use -r like the useradd step already does. This creates the groups as system groups instead of user groups.
Merge pull request #330 from hoag/patch-1

icinga: Update icinga.spec: groupadd