Add used_inodes and used_file_descriptors plugin, closes #21.
Add postfix plugin, closes #24.
Add php_apc plugin, closes #23.
Add some process data collection, closes #5.
Fix typo.
Fix typo.
Add additional options and fix the template.
Add stuff for the new PXE ES environment
Add unbound plugin.
hack multicast ferm rules
multicast on v4 only
Fix resource type.
Do not backup twice if we run Percona.

I noticed that on some setups where we've upgraded a MySQL server to Percona, the old /etc/backup/prepare.d/mysql script was still linked. This caused a double backup, which can explain some problems.
Deploy backup script for using mylvmbackup.
Also remove all incomplete backups.
Add postgres and tomcat trending, closes #14, closes #25.
Fix file permissions.
Fix file permissions.
Keep exit code if the process before the pipe fails.
Revert "Fix file permissions."

This reverts commit 33462a3be5a2572159cea326ad8f71b57dddc5fd.