bubble debug
Fix documentation
Update doc
Merge pull request #112 from JacksonTian/fixurl

Fixurl
bubble.js debug
bubble.js debug
Merge pull request #113 from jdk137/butterfly

Butterfly bubble.js debug
Update for mobile
Merge pull request #114 from JacksonTian/fixurl

Update for mobile
兼容Zepto
Merge pull request #115 from JacksonTian/mobile

兼容Zepto
Refine treemap
Merge pull request #116 from JacksonTian/mobile

Refine treemap