WIP: Work towards getting this to work with centos. ** WORK IN PROGRESS **
Merge remote-tracking branch 'origin/master' into feature/platform-centos

Conflicts:
	recipes/default.rb
Fixed code from last merge conflict.
Got zz-aligent.ini working.
Changed port from 80 to 81.
Added M suffix to APC size to avoid warnings with new versions of APC.:
Added M suffix to APC size to avoid warnings with new versions of APC.:
Merge commit '7422ad5'
Ensure mbstring is installed.
Simple b ase firewall ruleset.
Renable the centos default MTA.  Eveyone needs an MTA!
Install n98-magerun.phar and modman from their respective github repositories.