RHC tests fixes
Merge pull request #46 from kraman/f18_fixes

Merged by openshift-bot
Additional F18 fixes
Merge pull request #47 from kraman/f18_fixes

Additional F18 fixes
Adding openshift-origin-cartridge-jbossews to RHEL build ignored due to RHEL 6.4 java-devel changes.
Adding openshift-origin-cartridge-mysql to Origin ignores list
Adding openshift-origin-cartridge-diy to ignore packages for F18 due to dependency issues