Endless Game. Allow user to continue the game.

- main.css isn't compiled
- a special class `.tile-gold` is added to tiles above 2048
compile main.css
Endless Game. Allow user to continue the game.

- main.css isn't compiled
- a special class `.tile-gold` is added to tiles above 2048
compile main.css
add touchend event (see PR #32)
Update refs
adding a test to verify the localStorage is supported fixing a bug on private browsing on safari
fix fill mode helper
Merge pull request #50 from codeKonami/master

adding a test to verify the localStorage is supported
change local storage support check
merge infinite game
refactor code
rename GameOver to GameTerminated to avoid ambiguity
rename tile-gold to tile-super
add styling for super tiles
rename keep playing to keep going
remove debug logging
set mobile threshold slightly wider than the board size
Merge remote-tracking branch 'upstream/master'

Conflicts:
	js/game_manager.js
	js/html_actuator.js
	style/main.css
	style/main.scss