Fixed docs: HasErrors is a method not a variable
Merge pull request #716 from 4eek/docfix-validations-HasErrors

Fixed docs: HasErrors is a method not a variable
Merge branch 'master' into develop
beego:parse judge weather the commentsRouter exist
cache: fix comments the return err
Merge branch 'develop' of https://github.com/astaxie/beego into develop
beego: improve the static file server
session: support cookie domain
move filter wrong http method
beego: commentsrouter use the workPath fix #708
fix when delete the commentsRouter.go
beego: Display function move from toolbox to utils