Log message

Handle cases where an animation sets a new active animation while it's running
Add Bounds.FromIntersection, Bounds.Expand, Bounds.Translate and Bounds.Round
Tweak SpatialCollection so that GetEnumerator doesn't generate garbage
Add PerfHUDDeviceManager class
Add ItemEvicted event to LRUCache
Tweaks to the Arithmetic utility functions

	Modify	/trunk/Squared/GameLib/Animation.cs	diff
	Modify	/trunk/Squared/GameLib/Geometry.cs	diff
	Add	/trunk/Squared/GameLib/PerfHUDDeviceManager.cs	diff
	Modify	/trunk/Squared/GameLib/SpatialCollection.cs	diff
	Modify	/trunk/Squared/GameLib/Squared.Game.csproj	diff
	Modify	/trunk/Squared/GameLib/Squared.Game_360.csproj	diff
	Modify	/trunk/Squared/Util/Arithmetic.cs	diff
	Modify	/trunk/Squared/Util/LRUCache.cs	diff