Added a gnu makefile for transpiling coffee to js.  From simsam_app, run make.
Updated jQuery UI to version 1.10.3 to fix a bug with jQuery.dialog().
Added ability to fully delete an object/image from the canvas.  Three types:
    * Delete a single instance of an object (via menu)
    * Delete all instances of an object (via menu)
    * Delete class of objects and remove from django (drag to trash)
Includes:
    Added data-hash to images to track django unique id of object class.
    Added a trash button to the sim menu to drag objects into.
    Modified "Modify Sprite" menu to hide/show cleanly.
	Added url 'delete_image' which removes the image from the database as
        well as from all animations within the database.
Added Fabric.js bug-fix for scrolling.  Issue is resolved in Fabric 1.4.0