Voting-related model updates.
Implemented vote count updater for reviews.
Updated tests.
Web service updates.
Small tweaks and fixes.
Added ability to recalculate vote counts from data manager.
Removed new vote count columns from Review model.
Cleanup.
Cleanup in blueprint registration section of app creator.
Added CORS headers to the web service.
Added tests for home page and 404 error page.
Added a way to manually specify Spotify URI on album matching page.
Fixed issue with some pagination blocks.
Added user info into review webservice endpoints.
Merge branch 'pagination' into voting
Merge branch 'matching' into voting