Several commands did not have descriptions or the descriptions
they had were insufficient. This adds mission descriptions
and fattens up those that were too lean.
Change-Id: I091ae70cdae5d3f72f273519d88873cb5392ba3b
All legacy CLI commands should work as expected with a few
minor exceptions:
- no upload animation
- no interactive pagination
- help/usage output has changed
Deprecated options are indicated as such in their usage info. Deprecated
commands have descriptions that label them as such.
Related to bp glance-client-parity
Change-Id: I584b2447361967228bea332e14880e18db12fca8
Brian Rosmaita