Fix clip path for axis
Purge getBBox - #131
Fix error when all null on line
Fix hidden legend opacity to use css class - #128
Add axis.x.utc option and use utc for x time format as default - #144
Modify axis.x.utc to axis.x.localtime - #144
Fix loading only header data from url - #143
Fix x axis tick
Add line.connect_null option - #81
Add onresize and onresized event hander - #145
Update version to 0.1.30
Fix tick values sort
Fix tick culling on categorized axis and add axis.x.tick.values option - #149
Merge branch 'master' of github.com:masayuki0812/c3