Added Freezer API V2 which supports mainly multitenancy
Added a new database driver to support project_id parameter.
API v2 will be in development status till the end of pike
API v1 will be deprecated by end of Pike
oslo.db patch will be based on API v2
Implements blueprint api-v2-multi-tenancy
Signed-off-by: Saad Zaher <eng.szaher@gmail.com>
Change-Id: I2791246b7d6dc6c91427af45c0930e5d334a4861
49e934d589