Add python-marconiclient

To be used by other openstack projects, marconi client needs to be
declared in requirements. 0.0.2 is the last version.

Change-Id: Ibfa1bad66c66b64707650800ea1ad753e8002346
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 "Add python-marconiclient"
Merge "Update python-cinderclient>=1.0.7"