modify renderChart so that height and width settings of container div get included.
reflow comments for better appearance.
add rChart as class to chartDiv while using Shiny.
Merge pull request #165 from timelyportfolio/dev

add color axis functionality that dimple offers
Merge branch 'dev' of github.com:ramnathv/rCharts
add renderChart2, a modified version of renderChart. will replace renderChart eventually.
add datgui template to nvd3 controls