Remove language button

Closes #54
Implement automatic updates
Add update script
Update MPs automatically
Offer only JSON format for API output
Add resource_uri to MemberActivityResource.target
API: Fix plenary_vote
Disable session middleware for now to get rid of cookies
Update jQuery to 1.11.0
API: Fix social update visibility
Add topics and MP actions to the party details page.
Merge pull request #60 from vikoivun/master

Add topics and MP actions to the party details page.
Make activity default sorting to prevent loading weirdness
Show statistic based on member list sort order

Closes #36