Updated from global requirements

Change-Id: Ib81815a6f0d5a07e28d832f199fd993dd7dd6759

requirements.txt

@@ -1,7 +1,7 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
-pbr<2.0,>=1.6
+pbr>=1.6
 Babel>=1.3
 argparse
 PrettyTable<0.8,>=0.7

setup.py

@@ -25,5 +25,5 @@ except ImportError:
     pass
 
 setuptools.setup(
-    setup_requires=['pbr>=1.3'],
+    setup_requires=['pbr>=1.8'],
     pbr=True)

test-requirements.txt

@@ -13,4 +13,4 @@ testtools>=1.4.0
 testscenarios>=0.4
 fixtures>=1.3.1
 requests-mock>=0.6.0 # Apache-2.0
-tempest-lib>=0.6.1
+tempest-lib>=0.8.0