The button appears when a file is viewed in a branch or a tag. It points
to a URL containing the branch's (or tag's) current commit id so that
it'll always point to the same content.

Signed-off-by: Dmitry Yu Okunev <dyokunev@ut.mephi.ru>

- routers/admin: add rewrite update hook operation
- conf/locale: update locale file due to ini behavior changes
- cmd/cert_stub.go: remove useless code
- cmd/fix.go: no longer need fix command(at least now)

Signed-off-by: Unknwon <joe2010xtmf@163.com>

Conflicts:
	modules/setting/setting.go

Conflicts:
	templates/repo/release/list.tmpl
	templates/user/dashboard/dashboard.tmpl

Conflicts:
	routers/repo/setting.go