Added soundtrack, random obstacles
Added random platform generation
Changed some textures. Looks too kewl fr skewl
Merge branch 'master' of https://github.com/Slokken/Risseproto

Conflicts:
	Risseproto/Risseproto/ContentHolder.cs
	Risseproto/Risseproto/Controller.cs
	Risseproto/Risseproto/Gameworld.cs