When we got picky with the auth arguments we broke using help without
any auth config supplied. This rearranges things a bit to do the argument
checking when the deferred auth request to Identity occurs so commands
that do not need auth have a chance to live short but useful lives.
Closes-Bug: #1399588
Change-Id: I8ceac491cf65e25eddb62ab2713f471fe686756d
* examples/object_api.py - Example of using the Object_Store API
* examples/osc-lib.py - Minimal client to use ClientManager as a library
Also add matching functional tests
Change-Id: I4243a21141a821420951d4b6352d41029cdcccbc