Add Juno release milestone

Change-Id: Iea584b00329d9474c14847db958f8743d4058525
Closes-Bug: #1378855

neutron/db/migration/alembic_migrations/versions/HEAD

@@ -1 +1 @@
-544673ac99ab
+juno

neutron/db/migration/alembic_migrations/versions/juno_release.py

@@ -0,0 +1,36 @@
+# Copyright 2014 Yahoo! Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+#
+
+"""juno
+
+Revision ID: juno
+Revises: 544673ac99ab
+Create Date: 2014-10-09 00:00:00.000000
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = 'juno'
+down_revision = '544673ac99ab'
+
+
+def upgrade():
+    """A no-op migration for marking the Juno release."""
+    pass
+
+
+def downgrade():
+    """A no-op migration for marking the Juno release."""
+    pass