Update python-cinderclient>=1.0.7

Commit 6cb58c10776cc5a8a6efe677177998234c5e8e78 in heat needs a
higher version of cinderclient to pass unittests.

Change-Id: I53f41fc24633f56c3f8e6fee795ecbe40c06fa24
Related-Bug: 1334995
Merge "Update python-cinderclient>=1.0.7"