player prefs usage started

-added prefs support for the volume control
on both the main menu and
the game menu
Merge remote-tracking branch 'origin/iago-programming' into iago-programming

Conflicts:
	Library/shadercompiler-1.log

conflict merger
Merge branch 'iago-programming' into Taylor10-7-2014

Conflicts:
	Assembly-UnityScript-firstpass-vs.unityproj
	Assembly-UnityScript-firstpass.unityproj
	Library/CurrentLayout.dwlt
	Library/ScriptAssemblies/Assembly-CSharp-Editor.dll
	Library/ScriptAssemblies/Assembly-CSharp-Editor.dll.mdb
	Library/ScriptAssemblies/Assembly-CSharp.dll
	Library/ScriptAssemblies/Assembly-CSharp.dll.mdb
	Library/assetDatabase3
	Library/expandedItems
	Library/shadercompiler-1.log