Update Ranger to remove logic to stage heat template to git repo.
Instead, pass heat template directly to ranger-agent.
Added logic to create/update/delete heat template entry in rds database.
Remove git repo logic from ranger.
Ranger to pass token to ranger-agent for request authentication.
Reintroduce commit #693590 changes that were inadvertently removed.
Change-Id: If95076e8343bbb50a7231b74fd4a80906b2a0785
eeb1976e63