GUI Wrapper VI - The Implementation, Part I

Implemented GUIManager to the following UI scripts:
-Menu_UI
-LevelEditorUI
-OptionsUI

-Modified the GUISkin to accommodate the new GUIManager
-Can now change the name of a GUIObject publically.
-Added two methods to GUIManager to set either the name or slider value.
Events will get called with respect to the property set.