Merge pull request #72 from ecomfe/3.1.0-dev

3.1.0-alpha.1
Merge pull request #73 from ecomfe/3.1.0-dev

修复package.json语法错误
Merge pull request #75 from ecomfe/3.1.0-dev

3.1.0-alpha.2
Merge pull request #78 from ecomfe/3.1.0-dev

3.1.0-alpha.3
Merge remote-tracking branch 'upstream/3.1.0-dev' into upstream
Merge remote-tracking branch 'upstream/3.1.0-dev'

merge upstream
修复手误
修复ajax拼接了contentType导致serializeData错误的问题
Merge branch 'upstream/master' into 3.1.0-dev