Move from nose to testr.

Granted - this takes the test suite from 3 seconds to 1 second... but there
are a bunch of other ways (correctness) that testr is better than nose.

Removed tests/v1/utils - it was not being used anywhere.

Part of blueprint grizzly-testtools.

Change-Id: I54d9a0b7dc22305ec60d779d6f19025a0b5dc785
Fixed documentation of the cinder shell command.

Updated README.rst and shell.rst to match changes
in the cinder command and novaclient README.rst.

Change-Id: Ifaa53d5c06e6d7d8e3d4d858672717954303bea7
Fixes: bug #1074125
adding v2 support to cinderclient

This will allow the cinderclient to speak to the v2 rest api if it's
enabled in the cinder config. Includes additional v2 tests as well.

blueprint cinderclient-v2-support

Change-Id: I004134d9f528a6eadefdaa89eb48087bcae2691f
v2 replaces display_name in response and args for name

Change-Id: I4e50e80346a48b9a7cefcea66ac228dade7e8ca4
Give volume details on creation of volume in v2

v2 rest api for volume creation gives a summary. This will fetch
additional information to give a proper detail view.

Change-Id: Ie1ea8de507a7d6e0430c8b74ddf87aec86af0046