Rename parliament/feeds.py to parliament/activity.py for better descriptiveness
Make eduskunta importers commit transactions on success

This prevents uncaught exceptions from messing up the database.
Fix saving activities to work with the DB-based activity type changes
Add support for refreshing documents without keywords
Rename gov_prop to gov_bill, add MemberActivityType for it
Create MemberActivity objects from government bills

This way we can show them in the feed.
Use transaction management in MP importing
Remove some unused templates
Make topic details activity feed work
Implement last_date attribute in KeywordResource
Fix Bootstrap grid for column counts >= 12
factor out get_activity_{set,counts_set}
add resolution option to Member.get_activity_set
add get_activity_score_set
factor out MemberResource.get_member
add MemberActivityScoresResource