Linting; no functional changes
Move run function to semiauto.runner
Bug 1042776 - Log suite_start/suite_end events in semiauto

This resolves the pinning of moztest to version 0.5.
Merge pull request #164 from mozilla-b2g/ato/bug-1042776/1

Bug 1042776 - Log suite_start/suite_end events in semiauto