Removing test-unit as a dependency.

The stated purpose (domain status) is deprecated and is no longer using
test/unit.  Additionally, this runs Test::Unit immediately after
cucumber features which causes Jenkins builds to fail.
Search cartridge names more consistently across all commands
Allow more flexible searching
Merge pull request #290 from jtharris/jenkins_fix

Merged by openshift-bot
Merge pull request #291 from smarterclayton/search_cartridge_names_consistently

Merged by openshift-bot
Automatic commit of package [rhc] release [1.4.4-1].