Fix z-index of grids - #373
Update README.md
Update README.md
Fix load API with JSON - #379
Update sampel for data.json
Update README.md
Modify unload interface - #342
Fix typo
Merge branch 'master' of github.com:masayuki0812/c3
Update sample due to the modification of unload API
Add sample for load json from url - #379
Remove cursor style for zoom rect
Fixed spelling
Merge pull request #394 from martijnrusschen/fix-spelling

Fixed spelling
Fix d3.js path in sample
Add onzoom and onbrush callbacks - #395
If data is missing in one of the columns, newer versions of C3 will break in an
unexpected place, which makes it hard to debug. This patch catches the error
early so as to ease debugging.
Add '{' and '}' so that travis will not complain. Also commit the minified
version.
Introduce new architecture
Define concat in grant task