* rename HACKING to HACKING.rst and refer to the common OpenStack HACKING file
* add the barest of pointers to the wiki, etc. to the source docs
* add a bare-bones man page
Change-Id: I80e5b972af645f14ef17ae87f182ab09cb08dabe
* Use multiple entry point groups to represent each API+version
combination supported
* Add some tests
Try it out:
* Right now only '* user' commands have multiple overlapping versions;
you can see the selection between v2.0 and v3 by looking at the
command help output for 'tenant' vs 'project':
os --os-identity-api-version=2.0 help set user
os --os-identity-api-version=3 help set user
Change-Id: I7114fd246843df0243d354a7cce697810bb7de62