Added progress bar to profile page, graph view, example graph.
Added school choices in game models.
Fixed a bug in game models.
Fixed the annoying navbar bug.
Added School Highscores Leaderboard.
Added age group Highscores Leaderboard.
Added gender highscores Leaderboard.
Quick fix for a bug in leaderboards.
Displaying categories with score 0 as well.
Merge.