Merge pull request #4 from city41/master

updated with remote master
Updated with the last melonJS 1.0.0 dev version
Fixed audio on mobile devices

iOS requires at least one sound to be played on a touch event
Updated to last melonJS dev version
Updated with last version of melonJS dev branch + Fixed audio on countdown

it now plays a muted audio clip to enable audio on iOS devices
Merge pull request #49 from melonjs/master

Updated melonJS version