Create m1.tiny flavor for murano jobs
Create m1.tiny flavor for murano jobs

https://review.openstack.org/#/c/480848/ changed required
flavor for murano from m1.small to m1.tiny for some tests.

Change-Id: If3c0564ae315b805f8589f535181fafdfb569023

openstack/puppet-openstack-integration,openstack/puppet-openstack-integration,openstack/puppet-openstack-integration