Use the rev-parsed sha1 commit id in urls to repo files,
instead of the abbreviated version.

* Replace gogits/git-module dependency with go-gitea/git

Fixes #92

* Remove git alias for git module import (not needed)

Creating a notice instead

* Add ability to explore organizations

* Use right icon for org explore links

- Refactor code to use sync.UniqueQueue
- Closes #3509

* Can use a predefined set of labels

* Change UI

* Fix HTML file indentation

* Avoid reading file from other directory (security issue)

* Apply a better fix

* Remove not used variable

* Merge upstream/develop

* Do modifications

* Raname

* remove binding + rename variable

add `since` query string support to list issue comment

* Issues can be closed via API

* Error-checking is nice xD

* EditIssueOption.Status => State

* Use const instead of string-literal

- Fill Milestone and Assignee field when available in webhook payload

- Detect non-exist commit and return 404 not 500

Try to merge into develop branch ASAP, then continue minor fixes afterwards.