Add --list-tests and --list-collections to YATL
Fix cases where upon error we did not clean up name service request
Merge lp:~brianaker/gearmand/set_host Build: jenkins-Gearmand-807
Merge lp:~brianaker/gearmand/set_host Build: jenkins-Gearmand-808
Merge lp:~brianaker/gearmand/yatl-list Build: jenkins-Gearmand-809