Add Gertty project

From the README:

Gertty is a console-based interface to the Gerrit Code Review system.

As compared to the web interface, the main advantages are:

 * Workflow -- the interface is designed to support a workflow similar
   to reading network news or mail.  In particular, it is designed to
   deal with a large number of review requests across a large number
   of projects.

 * Offline Use -- Gertty syncs information about changes in subscribed
   projects to a local database and local git repos.  All review
   operations are performed against that database and then synced back
   to Gerrit.

 * Speed -- user actions modify locally cached content and need not
   wait for server interaction.

 * Convenience -- because Gertty downloads all changes to local git
   repos, a single command instructs it to checkout a change into that
   repo for detailed examination or testing of larger changes.

Change-Id: I56b214042dde8a3da784acabb1eb5c733b864a3b

modules/gerritbot/files/gerritbot_channel_config.yaml

@@ -44,6 +44,7 @@ openstack-infra:
       - openstack-infra/zuul
       - openstack-infra/zuul-packaging
       - openstack/requirements
+      - stackforge/gertty
       - stackforge/python-jenkins
     branches:
       - master

modules/openstack_project/files/gerrit/acls/stackforge/gertty.yaml

@@ -0,0 +1,12 @@
+[access "refs/heads/*"]
+        label-Code-Review = -2..+2 group gertty-core
+        label-Workflow = -1..+1 group gertty-core
+[access "refs/tags/*"]
+        create = group gertty-ptl
+        pushSignedTag = group gertty-ptl
+[project]
+        state = active
+[receive]
+        requireChangeId = true
+[submit]
+        mergeContent = true

modules/openstack_project/files/review.projects.yaml

@@ -600,6 +600,8 @@
   acl-config: /home/gerrit2/acls/stackforge/fuel.config
 - project: stackforge/gce-api
   description: Google Compute Engine API support for OpenStack
+- project: stackforge/gertty
+  description: Console interface to Gerrit Code Review
 - project: stackforge/golang-client
   description: OpenStack API client for golang
 - project: stackforge/graffiti

modules/openstack_project/files/zuul/layout.yaml

@@ -1582,6 +1582,12 @@ projects:
       - django_openstack_auth-tarball:
         - django_openstack_auth-pypi-upload
 
+  - name: stackforge/gertty
+    check:
+      - noop
+    gate:
+      - noop
+
   - name: stackforge/gce-api
     template:
       - name: check-requirements