Fix celery imports (this was only working in production because of a stray .pyc file). Review by @jerith.
Merge branch 'develop' into develop-frontend
Delete .pyc files when we deploy go and vumi (@hodgestar, @jerith, @smn).
Merge branch 'develop' into develop-frontend
Some extra machinery to support the new conversation lifecycle.
Merge branch 'develop' into develop-frontend
Merge branch 'develop-frontend' into feature/issue-428-conversation-lifecycle-ui

Conflicts:
	go/vumitools/conversation/utils.py