Dodavanje modela.
Merge branch 'master' of https://github.com/slavede/InitialGame

Conflicts:
	2dXnaPhysicsDemo/XnaTest.sln
	2dXnaPhysicsDemo/XnaTest/XnaTest/XnaTest.csproj
	2dXnaPhysicsDemo/XnaTest/XnaTest/XnaTest.csproj.Debug.cachefile
	2dXnaPhysicsDemo/XnaTest/XnaTestContent/XnaTestContent.contentproj