[glance] Transition Train to EM

This transition the train branch to extended maintenance.
Changes for bugfixes and things the team deems important are
still encouraged, but there will no longer be official releases
off of the branch.

Please +1 if the team is ready for us to proceed with this
transition, or -1 if there are any final backports currently in
flight that we should wait for. For the latter case, please
update the patch with the new commit hash after doing a final
release to get those changes out so we know to proceed with the
transition.

Change-Id: If75520ab66d65d95d925427575a2865db955ee10

deliverables/train/glance-store.yaml

@@ -23,6 +23,10 @@ releases:
       - hash: 9383fde396041758d767ce3f30b9a5669ad9ebf1
         repo: openstack/glance_store
     version: 1.0.1
+  - version: train-em
+    projects:
+      - repo: openstack/glance_store
+        hash: 9383fde396041758d767ce3f30b9a5669ad9ebf1
 branches:
   - name: stable/train
     location: 1.0.0

deliverables/train/glance.yaml

@@ -51,6 +51,10 @@ releases:
     projects:
       - repo: openstack/glance
         hash: 5bbd35678485f4836b808c8fbd3157f3345e8660
+  - version: train-em
+    projects:
+      - repo: openstack/glance
+        hash: 5bbd35678485f4836b808c8fbd3157f3345e8660
 branches:
   - name: stable/train
     location: 19.0.0.0rc1

deliverables/train/python-glanceclient.yaml

@@ -15,6 +15,10 @@ releases:
     projects:
       - repo: openstack/python-glanceclient
         hash: 1aba8f2d248040364e690dd8dc7f3a508baed631
+  - version: train-em
+    projects:
+      - repo: openstack/python-glanceclient
+        hash: 1aba8f2d248040364e690dd8dc7f3a508baed631
 branches:
   - location: 2.17.0
     name: stable/train