Add startup-images for the iPhone.
Made animframe_polyfill.js JSHint compliant

Reformatted a bunch to make JSHint happy.
Merge pull request #115 from iirelu/jshint-compliance

Made animframe_polyfill.js JSHint compliant
Merge pull request #112 from Josso/startup-image

Add startup-images for the iPhone
code cleanup
Merge pull request #158 from janschoenherr/patch-1

code cleanup
Add project file + ignore modifications.
Change to 3x3 board and re-do UI elements.
Backup css changes.
Block sliding setup + slide logic.
Remove score references.
Board serialization + cleanup unused members.
Win-condition cleanup.
Add a border around the tiles when they move to their correct destination cell.
Fix serialization issue when restoring from storage.
Add win condition check + speed up overlay display timing.
Add check to prevent unsolvable boards.
Remove give up button for now.
Remove 2048 tile class.
Change tile gradient calculation.