Merge pull request beego#2651 from astaxie/develop

v1.8.3

Merge pull request beego#2611 from astaxie/develop

1.8.2

Merge pull request beego#2596 from astaxie/develop

beego 1.8.1

Merge pull request beego#2485 from astaxie/develop

beego 1.8.0

Merge branch 'develop'

Merge branch 'master' into develop

revert the snakeString

release 1.6.1

golint the config.go

fix beego#1221