add filter handler
add geojson layer helper methods
add percentage padding
add listeners section
Updated API (markdown)
add dc.units.float
add focus
add dc.events
add dc.units
added data table
add data count widget
add choropleth chart
add bubble overlay chart and example links
add bubble chart
add abstract bubble chart
add code example for chart creation function
add missing dc chart creation functions for pie/bar/line/composite charts
added composite chart
added line chart api
added bar chart api
added list of content
start working on bar chart api
added pie chart api