This version has a great modification in the drawing engine where now raphael lib for javascript is supported and used for drawing
which it can provide a marvelous effects and flexibility to the drawn objects on the screen.also the code in of the drawing engine in this version is independent of the javascript graphics engine that actually being used so we can now support many graphics engine without any modifications to the internal implementation of the drawn objects.
Merge branch 'master' of https://github.com/sky-team/sky.git