Fix data label when null included - #295
Add zoom.enable API - #304
Add tooltip.grouped option - #307
Fix flow API
Release 0.2.2
Fix bug for flow with indexed data
Fix data label to be shown - #295
Do not handle zoom event when zoom disabled
Implement c3ext.js with new zoom and auto dataset reduction feature
move mouse wheel zoom from sample file to c3ext.js code
Cleanups
Include 0 as all positive/negative
Update samples
Fix bug for raw timeseries input - #311
Add sample for timeseries with Date object
Rename onend to done in flow API - #314
Merge branch 'feature/autoreduce' of https://github.com/danelkhen/c3 into danelkhen-feature/autoreduce
Fix trivials of sample for reduction by zoom - #310
Merge branch 'danelkhen-feature/autoreduce'
Rename onenter/onleave to onmouseover/onmouseout