Bug 879070 - Add support for packaging via pypi. r=hskupin
Bug 882600 - Release mozmill-automation 1.5.21. r=amatei
Remove restrictions on update channels (#42)
Update depencenices and version for Mozmill 1.5.22 release (#55)
Use the Mercurial CLI commands and not its internal API (#57)
Fixes addons testrun to avoid unecessary execution of finally block (#61)
Update changelog and bump version to 1.5.22.1 (#65)