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

Merge branch 'develop'

fix the commentsRouter init sequence

Merge branch 'develop' of https://github.com/astaxie/beego into develop