fix missing unit in log message

Bad log message:
    "extend volume 1 to 2"
Correct one:
    "extend volume 1 GB to 2 GB"

(also update my profile in .mailmap)

Change-Id: I6d229c4440f2f5443b45a10f3912c20e21c63f32
Move novaclient to requirements.txt

novaclient is a runtime requirement in Havana both for volume
migration and qemu-assisted-snapshots.

Closes-Bug: #1223484
Change-Id: Ie7e8be2d0edf00cdb04f980a6aa247e04807bf67
Merge "fix missing unit in log message"
Merge "Move novaclient to requirements.txt"