Added utility method to get class name
Added Polar Area Chart, yet to be completely implemented
Added .DS_Store to .gitignore, for mac based contributors
Added jsdocs for few functions, and aligned few
Merge pull request #3 from shrimalmadhur/master

Changes enumerated in comment box
Added uglify and jshint tasks during build tasks
Testing minified file in test html
JShint fixes across source
Merging upstream with latest changes, jshinting and uglifying build results, moving to dist
Merge pull request #5 from hashd/master

Merged conflicts with upstream and added JSHint and Uglify tasks
Merge branch 'master' of github.com:Imaginea/uvCharts

Conflicts:
	src/gfx/bar.js
	src/gfx/line.js
	src/gfx/percent_bar.js
	src/gfx/stacked_bar.js
	src/gfx/stepup_bar.js
	src/gfx/waterfall.js
	src/util/effects.js
	src/util/utility.js
Added rgbcolor.js, a pre-requistie of canvg.js for issue #8