-Added support for persisting state between animations, and using such for actions like running and walking.
-Fixed a couple of errors with persistant state of animations.
-Added stubs for XNA entity bindings, so that I may test as I go.
-Added Location property to Rectangle.
-Added  KeyboardProfile for dynamic input mapping.
-Started XnaInputManager and got it to a functioning state for 1P on keyboard.
-Added an EntityManager to Map.
-Various changes to let me actually view my progress on entities. Still needs more formalizing.