Release 3.1.0-beta.3

Release 3.1.0-beta.2

Release 3.1.0-beta.1

Release 3.1.0-alpha.7

Release 3.1.0-alpha.6

Release 3.1.0-alpha.5

Release 3.1.0-alpha.4

Release 3.1.0-alpha.3

Merge pull request ecomfe#75 from ecomfe/3.1.0-dev

3.1.0-alpha.2

Merge pull request ecomfe#73 from ecomfe/3.1.0-dev

修复package.json语法错误