clipping regions now work correctly when device pixel ratio != 1
Used filterCanvas.clear() to clear dirty canvas.
added getter and setter methods for pixel ratio.  Also added unit tests
updated Canvas docs
Merge branch 'master' of github.com:ericdrowell/KineticJS
created a proper utility function that handles defaults.  Integrating the ntew get() method fixes a shadowBlur issue.  fixed #587
setup mocha-phantomjs, test runner, and a few Util tests
checking in .travis.yml file for travis ci
updated yml file
added grunt build step to yml file
update package.json
only run the tests on the latest version of nodesj
added travis ci images to readme
updated travis ci info a bit more in readme
removed status string from readme
Unit tests added for issue #249.  Fixed rendering of TextPath along vertical lines. Added unit tests for SVG-as-images.
Fixed issue #301: Render textpath glyphs to hit canvas for event detection