Added utility method to get class name
Added toLowerCase() to the function which was used to format class names.
Added showlabel variable for showing/hiding labels on the graph. Added showhoverlabel for showing/hiding labels while hovering the graph.
adding download options
addding download js dependencies
removed exportHTML() function
Merge branch 'master' of https://github.com/ksnov/uvCharts
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
Merged Pull Request #1 .
Added color codes in place of color strings.
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