Fix and style conversation confirm screen
Move incoming_list logic into conversation view_definition.
Remove old_start, end_conversation and tag acquisition from conversation wrapper. Also fix all the things that relied on those.
pep8/pyflakes cleanup.
Merge branch 'develop' into feature/issue-639-old-conversation-cleanup-pt-1

Conflicts:
	go/contacts/views.py
Fix setup_env tagpool metadata.
Add middleware to setup_env app workers.
Actually create contact groups in setup_env. Also test that all the right things get called.
GroupsResource for sandbox
Hook up new incoming_list conversation view to conversation dashboard.
Merge branch 'feature/issue-643-setup-env-fixes' into develop
Merge branch 'develop' into feature/issue-644-groups-resource
Merge branch 'develop' into feature/issue-633-make-incoming-list-part-of-conversation-and-router-view-defn
Fix a bunch of tests.
incoming_list -> message_list.
Unskip some more tests.
Move cross domain xhr tests from jsbox app tests to base view tests
Add tests for cross domain xhr view
Bring back login required for cross domain xhr view
Merge branch 'feature/issue-645-fix-broken-jsbox-app-tests' into develop