Added ripple filter.
changed drawFunc to sceneFunc and drawHitFunc to hitFunc
changed offset to center
new drawHitFromCache Shape method replaces Image createImageHitRegion
added test for hit region draw from blurred image
Fixed missing outtermost ripple, corrected offset parameter.
Added Kalidescope filter.
Merge branch 'master' of https://github.com/ericdrowell/KineticJS

Conflicts:
	Gruntfile.js
added more cache and filter tests
Merge branch 'master' of github.com:ericdrowell/KineticJS
fixed kaleidoscope filter spelling
removed misspelled files
beginning to prep for 5.0.0 release.  Disabling Ripple and Kaleidoscope filters for now because they aren't quite ready
updated Node docs