F18 fixes

Reading hostname from node.conf file instead of relying on localhost
Splitting test features into common, rhel only and fedora only sections
Fixed init-quota to allow for tabs in fstab file
Added entries in abstract for php-5.4, perl-5.16
Updated python-2.6,php-5.3,perl-5.10 cart so that it wont build on F18
Fixed mongo broker auth
Relaxed version requirements for acegi-security and commons-codec when generating hashed password for jenkins
Added Apache 2.4 configs for console on F18
Added httpd 2.4 specific restart helper