added templates field to rCharts class
Initialized page template to chart.html and chartDiv to NULL. Libraries can override based on their needs.
xAxis for Rickshaw does not need element key.
set Rickshaw to use custom page and chartDiv templates
saved custom css in rickshaw template as rickshaw-rcharts.css
add rickshaw-chartDiv.html
add preliminary support for datatables.
remove commented out line from chartDiv
rough sketch of README for rickshaw.
first attempt at loading examples in notebook
deleted extraneous layout files.
delete example.md file
update gitignore
bump version to 0.3.3