Basic UI

Basic gui elements added for before game start and score after death
Basic gui prototyping finished
everything but camera rotation
remove temp files
Merge remote-tracking branch 'origin/UI_Elements' into bird-UI-merge-test

Conflicts:
	FPS_Flappy.userprefs
	Library/CurrentLayout.dwlt
	Library/ScriptAssemblies/Assembly-CSharp.dll
	Library/ScriptAssemblies/Assembly-CSharp.dll.mdb
	Library/assetDatabase3
	Library/expandedItems
	Library/guidmapper
	Library/metadata/be/bea00ce6ba8229c47b93db3d1a1469e2
	Library/metadata/cf/cf04ab9e4cec24c0ba27ce3c2c9a5328
Merge branch 'bird-UI-merge-test'