Adding ose-2.0 releaser

And removing the 1.2 release so we don't accidentally ship to the wrong tag
Adding BuildRequires

Apparently rdoc relies on irb/slex
Remove old unnecessary test case for domains

Move it to core_feature.rb
Merge pull request #476 from smarterclayton/fix_rhc_extended

Merged by openshift-bot
Merge pull request #475 from brenton/spec_fixes1

Merged by openshift-bot