dnd start distance feature
Shape.hasShadow cache fix

Typo was causing hasShadow cache not to be invalidated after using
setShadowEnabled. Fixes issue #693
* Removed duplicated rotation test from Node-test.
* Renamed a test in Tween-test to give it a unique name.
improve drag performance by avoid unnecessary drawing
move drag anim func to constructor
add copy() and point() methods to Kinetic.Transform; most methods return "this" for chaining
fix an issue where DblClick event fired right after dragging
fix clockwise docs
add test
fix #663
default shadow opacity should be 1. fix #696
stage clone has new container. fix #707
better cloning of node: array copied as copy, nor reference
setup FastLayer.  Layer won't extend FastLayer until FastLayer is complete
enabled all tests
Merge pull request #781 from guycook/master

Shape.hasShadow cache invalidation fix
Merge branch 'fix-duplicate-test-names' of git://github.com/dpbevin/KineticJS into dpbevin-fix-duplicate-test-names
deprecated transformsEnabled property.  Continued developing the new FastLayer class
Merge branch 'master' of git://github.com/ericdrowell/KineticJS
added perf tests for new FastLayer