Adds 5 backport db migration place holder for Pike

Db migration version from 81 to 85 are made as place
holder of db backporting for stable/pike.

Change-Id: Iddd91173f4fa77f9ef8cf2a60f629d551f6dcdd5

heat/db/sqlalchemy/migrate_repo/versions/081_placeholder.py

@@ -0,0 +1,20 @@
+#
+#    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.
+
+# This is a placeholder for Pike backports.
+# Do not use this number for new Queens work, which starts after
+# all the placeholders.
+
+
+def upgrade(migrate_engine):
+    pass

heat/db/sqlalchemy/migrate_repo/versions/082_placeholder.py

@@ -0,0 +1,20 @@
+#
+#    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.
+
+# This is a placeholder for Pike backports.
+# Do not use this number for new Queens work, which starts after
+# all the placeholders.
+
+
+def upgrade(migrate_engine):
+    pass

heat/db/sqlalchemy/migrate_repo/versions/083_placeholder.py

@@ -0,0 +1,20 @@
+#
+#    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.
+
+# This is a placeholder for Pike backports.
+# Do not use this number for new Queens work, which starts after
+# all the placeholders.
+
+
+def upgrade(migrate_engine):
+    pass

heat/db/sqlalchemy/migrate_repo/versions/084_placeholder.py

@@ -0,0 +1,20 @@
+#
+#    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.
+
+# This is a placeholder for Pike backports.
+# Do not use this number for new Queens work, which starts after
+# all the placeholders.
+
+
+def upgrade(migrate_engine):
+    pass

heat/db/sqlalchemy/migrate_repo/versions/085_placeholder.py

@@ -0,0 +1,20 @@
+#
+#    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.
+
+# This is a placeholder for Pike backports.
+# Do not use this number for new Queens work, which starts after
+# all the placeholders.
+
+
+def upgrade(migrate_engine):
+    pass