Add save button.
Add functionality to save button.
Fix typo in saver.
Mock out leaderboard call.
Mock correct function.
Start building leaderboard mod function.
Replace leaderboard method on stop()
Add leaderboard column for difference.
Add difference to leaderboard.
Update css for leaderboard.
Remove css to apply each time.
Finishing touches on leaderboard difference.
Merge branch 'master' into testing
Remove console logs.
Merge branch 'master' into gh-pages