Update the Readme file
Merge pull request #3 from xiecong/butterfly

Update the Readme file
add the new component pie chart
Merge pull request #4 from xiecong/butterfly

add the new component pie chart
pie seajs format adjust
parallel update
datav.js small adjust
Use compability mode
Update datav
Add stream without seajs demo page.
Supports without seajs.
Use seajs compability.
Resolve comfilct
Merge pull request #6 from JacksonTian/butterfly

使模块能够兼容Seajs环境和非Seajs环境
Fix spaces.
Add changelog.
Add underscore as dependency for reduce the code.
update seajs import in scatterplotMatrix
Merge branch 'butterfly' of https://github.com/TBEDP/datavjs into butterfly
Fix space