- create new label

- fix delete user but repository watches are not decreased

- 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)

- models/issue.go: format comment type names

- modules/base/markdown.go: fix issue link issue
- routers/repo/view.go: remove useless code

Code-wise: the fixing-part of the code now doesn't reference the issue any more, because this is done by the referencing-part of the code, which is called just before.

Fixes #462, #668, #732.