[Notifications Step 6] Per issue/PR watch/unwatch

* Fix "Error: No issue number specified"  when pushing

* update pr

* Support for custom html meta

* Changed html meta description default

* Add length check for the return string

* Differentiate error paths and logging messages

* Rectify error message

Use whole button (commit graph) as link

* Remove point column on ssh key setting page

* Remove un-used css

* Some cleaning

* Use octicon-key

* Allow ENABLE_OPENID_SIGNUP to depend on DISABLE_REGISTRATION

Omit the configuration variable (the default) to be dependent.
Fixes #1363

* Move OpenID settings under Service object

* Show OpenID SignUp and SignIn status in admin panel / configuration

* refactor: remove workaround after the golang 1.7 release.

* remove unused import.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

* refactor: Add remove function.

* refactor: rename

* refactor: update build flag

* Make "Commit Graph" link a button and translate it

* Add title on Commit Graph page

* issue #1250, replace {pre,post}-receive and update hooks with a single shell script that does not require custom hooks to be a sh-script

* issue #1250, make script posix compilant

* v23, add migration script to update {pre,post}-receive and update hooks

* migration: use a more common name and rename v23 to v26 to avoid conflicts

* gofmt'ed and added copyright header

* fix SyncRepositoryHooks to also sync wiki repos

Fixes #1340

Signed-off-by: Arthur Loupforest <arthur.loupforest@outlook.fr>

* GPG commit validation

* Add translation

+ some little fix

* Move hash calc after retrieving of potential key + missing translation

* Add some little test

Fixes #1296

by always using SignInLink and SignUpLink in the form action

Without this patch a 401 is returned for unspecified endpoints, making
the LFS client ask for HTTP credentials. This behaviour was introduced
with the new locking API:

https://github.com/git-lfs/git-lfs/blob/master/docs/api/locking.md

* Add change-password admin command

* Improve user openid list CSS and regenerate CSS