Merge pull request #86 from slene/master

fix logrotate
add config to countol if enable hotupdate
fix log delete
fix #87
add HttpServerTimeOut   setting
update to hotupdate's connet timeout
fix cache's bug expird is not changed by get method
change r.ParseMultipartForm  position
fix #89
fix #90
fix #69 refer to http://www.php.net/manual/zh/function.setcookie.php
fix #26 add xsrf function
fix #18

func (this *MainController) Get() {
this.GoToFunc("Test")
}

func (this *MainController) Test() {
this.Ctx.WriteString("testtest")
}
support restful router
support copy requestbody
add example for api application
add docs about how to write api application
Sync documentation of English with Chinese version
Merge pull request #93 from Unknwon/master

Sync documentation of English with Chinese version.
fix setcookie time type