Rename Party.name and Party.full_name

Party.name renamed to Party.abbreviation
Party.full_name renamed to Party.name

Changes reflected to API as well + migration 0019 included.
Fix party opposition/government display
Add translations
Typo fix
Adds Lipponen II government to initial data for Finnish parliament

This is interesting (and might uncover some bugs) due to the Greens leaving
midway through.
Show activity bars for MPs and parties in topics

Closes #43 and #44
Random smattering of documentation strings
Fix for renamed field in model. Is this used at all?
front page improvements

Conflicts:
	templates/show_topic.html
Merge remote-tracking branch 'jami/master'
Remove leftover debug prints
Fix doc importing
Convert MPs and Parties on topic page from static to dynamic again
Merge remote-tracking branch 'ville/master'
Implement first draft of API documentation using Tastypie Swagger
Merge remote-tracking branch 'joona/issue-59'

Conflicts:
	parliament/api.py
	templates/show_topic.html
Rename migration
API: Implement sorting members based on activity score
Fire Vasemmistoliitto from the government
Party importer: Fix problems with name -> abbreviation