Be able to remigrate a repository that was previously disconnected from Gerrit if it has been deleted

Change-Id: I8ab1fee400686e8dd1eee17763716b5132e092c9
Merge remote-tracking branch 'stable/master' into 4722_remigrate_deleted_gerrit_repo
Ask for the deletion of a Gerrit's project if it has been created by a previous migration

Change-Id: Ib811fb0a218cc33b3c5bb0c3a6504940320e9a25
Be able to put the Gerrit's project on a READ-ONLY state on Gerrit disconnection

Change-Id: If73c5af3ffa30c729cf950125b520a51fa6c0899
Centralize creation of repositories

Change-Id: Ied4fe21c7c52227d59eb27033211f75b611ce2d7
Merge remote-tracking branch 'stable/master' into HEAD

* stable/master: (26 commits)
  Tuleap 6.5.99.43
  Fix tuleap rendering itself in widgets
  This is Tuleap 6.5.99.42
  This is Tuleap 6.5.99.41
  Fixed 'news by mail' related message
  Extract strings in dedicated class for better clarity
  This is Tuleap 6.5.99.40
  Send mail to project users
  This is Tuleap 6.5.99.39
  Check that user can access the project
  Restrict the Tuleap REST API to HTTPS protocol
  Introduce versionning.
  Do not put the version number in the path.
  Allow plugins to inject resources in the REST API
  Create fake package core-rest to provide REST Api
  This is Tuleap 6.5.99.38
  Fix fatal error when user is not LDAP but do browse a gerrit git repo
  Introduce Basic Authentication
  Support OPTIONS methods both on /projects and /projects/:id
  First route that returns a given project in json
  ...

Conflicts:
	plugins/git/include/autoload.php

Change-Id: I79112b80aaec6d57ab1c7e5f7f31d16af43c3f04
Merge remote-tracking branch 'bender/4722_remigrate_deleted_gerrit_repo' into HEAD

* bender/4722_remigrate_deleted_gerrit_repo:
  Centralize creation of repositories
  Be able to put the Gerrit's project on a READ-ONLY state on Gerrit disconnection
  Ask for the deletion of a Gerrit's project if it has been created by a previous migration
  Be able to remigrate a repository that was previously disconnected from Gerrit if it has been deleted
This is Tuleap 6.5.99.44

Change-Id: Ic1f6d26f4110338041c840e7e80c3ac7faf80d11