Fix bug 1029169 - improve rhc domain configure gear size help
Fix bug 1029166: Improve error message on domain configure
Fixes origin tests - list cartridges and randomly pick one for testing
Merge pull request #506 from liggitt/bug_1029169_improve_domain_config_help

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Merge pull request #507 from liggitt/bug_1029166_improve_domain_configure_error

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Merge pull request #508 from fabianofranz/master

Merged by openshift-bot