v1.1.0
- context+focus ability on coordinate grid chart
- updated NASDAQ example with focus and zoom demo
- listeners support for {preRender, postRender, preRedraw, postRedraw, filtered} events
- ordinal scale support on bar chart and line chart
- fixed area chart drawing issue when new data is added in crossfilter - contribued by Steven Lindberg
- many minor bug fixes and enhancement (see issue details)