Mixing binary and source images for Glance

In case Kolla's users want to deploy with both of
binary and source image, we should have a variable
install type that define install type for each project.

We also add specific image tag for each Openstack project.

Change-Id: I07af4fe56e00b7d0bbf1d5216b0a508806f04d7d
Implements: blueprint mixing-binary-and-source-image