* Add config option to hide issue events
Adds a config option `HIDE_ISSUE_EVENTS` to hide most issue events (changed labels, milestones, projects...) on the issue detail page.
If this is true, only the following events (comment types) are shown:
* plain comments
* closed/reopned/merged
* reviews
* Make configurable using a list
* Add docs
* Add missing newline
* Fix merge issues
* Allow changes per user settings
* Fix lint
* Rm old docs
* Apply suggestions from code review
* Use bitsets
* Rm comment
* fmt
* Fix lint
* Use variable/constant to provide key
* fmt
* fix lint
* refactor
* Add a prefix for user setting key
* Add license comment
* Add license comment
* Update services/forms/user_form_hidden_comments.go
Co-authored-by: Gusted <williamzijl7@hotmail.com>
* check len == 0
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Gusted <williamzijl7@hotmail.com>
Co-authored-by: 6543 <6543@obermui.de>
