Updated to add Script Reference for me3d.world.js which handles app states.
- Changed 'extend' to 'namespace'
- Added ME3D.extend helper function to facilitate inheritance of prototype methods.
- Added Ticker singleton for running tick events for derived objects
added script reference for me3d.entity.js, a base object for objects in the world that will be handled by the game engine
moved some funcitonality to me3d.world.js and cleaned up remaining code
added some new textures
updated to include emitter internally and implemented tick functionality inherited from me3d.entity.js
basic skeleton of utility object to manage movement of visible avatars
base class for creating actors, items, and other objects that are part of the ME game world
added some debugging and library clock functionality
removed frame frequency console logging
skeleton class to be used for communicating data to and from the server
added instanced reference to the renderers dom element
skeleton class mixin for upcoming world management systems
scene transition functionality
world object for managing scenes and application state