* Rework SSH key management UI to add GPG

* Add more detail to gpg key display

* Update CHANGELOG.md

* Implement deletion UI

* Implement adding gpg UI

* Various fixes

- Fix duplicate entry in locale
- Re-generate hash before verification since they are consumed

* Add missing translation

* Split template

* Catch not found/verified email error

* Sync interval specifed as duration string

* Changed mirror interval text

* make fmt

* Add MinInterval for mirror sync

* Use duration internally

* Changed min default to 10m

* make fmt

* Incorrect default

* Removed defaults in MustDuration()

* Add Mirror interval migration

* Default values corrected

* Use transaction during migration

* Change http 500 to page with error message

* Cleanup session.commit()

* Protected branches system

* Moved default branch to branches section (`:org/:reponame/settings/branches`).
* Initial support Protected Branch.
  - Admin does not restrict
  - Owner not to limit
  - To write permission restrictions

* reformat tmpl

* finished the UI and add/delete protected branch response

* remove unused comment

* indent all the template files and remove ru translations since we use crowdin

* fix the push bug

* Redirects for renamed repos

* Remove unused phrase from locales

* Add units concept for modulable functions of a repository

* remove unused comment codes & fix lints and tests

* remove unused comment codes

* use struct config instead of map

* fix lint

* rm wrong files

* fix tests

* golint fixed for modules/setting

* typo fixed and renamed UNIXSOCKET to UnixSocket

- Update import paths from github.com/go-gitea to code.gitea.io
- Fix import path for travis

See https://docs.travis-ci.com/user/languages/go#Go-Import-Path

* Write LDAP, SMTP, PAM, DLDAP back to all uppercase

* Fix type in unused constant name

* Other MixCased fixes

* Complete MixerCasing of template constants

* Re uppercase LTS and LDAPS suffixes

* Uppercase JSON suffix in constant names

* Proper case LoginNoType

* Prefix unexported template path constants with "tpl"

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

Fixes #92

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

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

* Implement wiki mirroring, add Update mirrors operation to admin dashboard

* bindata.go update after merge

* Implement checking Git repo endpoint existence, support for BB included

* Remove admin dashboard operation
Fix bindata.go

* Apply gofmt to repo model file

* Try to remove bindata from PR

* Revert accepted wiki names change in favor of better system

* Remove unused imports

RepoLink -> Link, RepoRelLink -> RelLink, FullRepoLink -> FullLink

Executed go fmt

getEngine() not handles DB parameters (#2972) (#2974)

Uses .AllCols() for Update in updateMirror()

Spanish traslation removed

Fixed a wrong way to ommit the --prune option in process.ExecDir() for MirrorUpdate function

Collaborators have write access as default, and can be changed via repository
collaboration settings page to change between read, write and admin.