* fix units permission problems

* fix some bugs and merge LoadUnits to repoAssignment

* refactor permission struct and add some copyright heads

* remove unused codes

* fix routes units check

* improve permission check

* add unit tests for permission

* fix typo

* fix tests

* fix some routes

* fix api permission check

* improve permission check

* fix some permission check

* fix tests

* fix tests

* improve some permission check

* fix some permission check

* refactor AccessLevel

* fix bug

* fix tests

* fix tests

* fix tests

* fix AccessLevel

* rename CanAccess

* fix tests

* fix comment

* fix bug

* add missing unit for test repos

* fix bug

* rename some functions

* fix routes check

* Start to move to internal/private

* Add GetPublicKeyByID

* Add HasDeployKey

* Add private.UpdateDeployKeyUpdated

* Add private.GetUserByKeyID

* Add private.AccessLevel

* Add private.CheckUnitUser

* Fix mistakes I made

* Some cleaning + moving code to separate files

* Fix error handling

* Remove useless error handling for setup

* lint: fix comment on exported func

* fix copyright header

* Fix order of args

* LFS: make HTTP auth period configurable

* Formatting: Removed semicolon

Due to automated fmt-check failure (drone.gitea.io)

* applying code reviews

* Applied code review comment: Change HTTPAuthExpiry to time.Duration

* Updated config cheat sheet

* Fix SSH auth LFS locks

* Activate SSH/lock test

* Remove debug

* Follow @lunny recommendation for AfterLoad method

* improvements for supporting UI Location

* improved the comment

* remove GetRepositoryByRef and add GetRepositoryByOwnerAndName

* fix tests

* fix tests bug

* some improvements

* Set session and indexers' data files rel to AppDataPath

The setting AppDataPath is now relative to the working directory.
The session svc's PROVIDER_CONFIG now defaults to AppDataPath/data/sessions.
The issue indexer's IssuePath now defaults to AppDataPath/indexers/issues.bleves.

* fix bug

* 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

* remove env user salt since no need to use

* remove unused variable from update.go

* add internal routes for ssh hook comands

* fix lint

* add comment on why package named private not internal but the route name is internal

* add comment above package private why package named private not internal but the route name is internal

* remove exp time on internal access

* move routes from /internal to /api/internal

* add comment and defer on UpdatePublicKeyUpdated

Fixes #1296

* allow push to init a wiki repo

* compact error check

* move all push update to git hook post-receive and protected branch check to git hook pre-receive

* add SSH_ORIGINAL_COMMAND check back

* remove all unused codes

* fix the import

* git: delegate all server-side Git hooks (#1623)

* create hooks directories

* take control hooks back

* fix lint

* bug fixed and minor changes

* fix imports style

* fix migration scripts