Raise requirements to be in sync with OpenStack/Requirements

Mainly due to the testing deps being outdated. Also
fixes client capping.

Fixes LP Bug #1200214

Change-Id: I39c18144bc19189513fc4c1f9712b8938bd719cf

requirements.txt

@@ -1,9 +1,8 @@
 d2to1>=0.2.10,<0.3
-pbr>=0.5.10,<0.6
-
+pbr>=0.5.16,<0.6
 argparse
 httplib2
 iso8601>=0.1.4
 prettytable>=0.6,<0.8
-python-keystoneclient>=0.2.1,<0.4
+python-keystoneclient>=0.2.1
 pyyaml>=3.1.0

test-requirements.txt

@@ -2,13 +2,12 @@
 pep8==1.4.5
 pyflakes==0.7.2
 flake8==2.0
-hacking>=0.5.3,<0.6
-
+hacking>=0.5.6,<0.6
 coverage>=3.6
 discover
 fixtures>=0.3.12
-mox
+mox>=0.5.3
 sphinx>=1.1.2
 testscenarios<0.5
-testrepository>=0.0.13
-testtools>=0.9.29
+testrepository>=0.0.15
+testtools>=0.9.32