* Add repo type option to /api/repo/search
* Add tests and fix result of collaborative filter in specific condition
* Fix/optimize search & tests
* Improve integration tests
* Fix lint errors
* Fix unit tests
* Change and improve internal implementation of repo search
* Use NonexistentID
* Make search api more general
* Change mirror and fork search behaviour
* Fix tests & typo in comment
* Remove unit types commits and settings
* Can not limit units in administrator teams
* Limit changing units only to teams with read and write access mode
* Small code optimization
* add units to team
* fix lint
* finish team setting backend
* finished permission controll on routes
* fix import blank line
* add unit check on ssh/http pull and push and fix test failed
* fix fixtures data
* remove unused code
