RedHat Enterprise variant compatibility

Use the osfamily fact of RedHat to manage all of the includes.
Allows us to remove the explicit mention of centos everywhere
Use setenforce Permissive to disable selinux

Should work until system is rebooted.
Merge branch 'feature/fixdisable' into develop
Add version info for ANF20130221-1
Merge branch 'release/ANF20130221-1'