singleton input + debut titlescreen
modig TitleScreen.js
latest titlescreen
Merge branch 'master' of https://github.com/Warrows/projet-intensif-image-2015
Merge branch 'master' of https://github.com/Warrows/projet-intensif-image-2015
titlescreen complete + modif index
AssetsManager fait close #4
Merge branch 'master' of http://www.ecole.ensicaen.fr/~chamoux/img-intensif/projet-intensif-image-2015

Conflicts:
	Game.js
	index.html