TopicsDelete view + TopicsDelete formset
Merge branch 'master' into delete_topics
Remove topics from context
Begin tests for topics deletion
Fix tests for topics deletion
Merge branch 'master' into delete_topics

Conflicts:
	pybb/tests/forms/tests.py
Fix TopicsDeleteView to delete topic in batch
Merge branch 'delete_topics' of github.com:thoas/pybbm into delete_topics

Conflicts:
	pybb/tests/forms/tests.py
Test topics delete views
TopicsDeleteView + flash messages
Fix tests + fix flash messages on views
Simplify messages handling for TopicsDeleteView
Merge branch 'delete_topics'