TripleO Template and Deployment Plan Storage

This design specification describes how TripleO might store the
required information for a deployment plan. Deployment plans
consists of a master Heat Orchestration Template, a related
environment which will define the parameters and the roles. This
specification is principally intended to be used by Tuskar.

Change-Id: If1921b1d4f332888352fdd07fa21a91104201983
Partial-Blueprint: tripleo-juno-tuskar-rest-api
Merge "TripleO Template and Deployment Plan Storage"