Updated from global requirements

Change-Id: I7ad64e819ef7a7918432f8d0d33a021a8d8fc193

requirements.txt

@@ -3,4 +3,4 @@
 # process, which may cause wedges in the gate later.
 
 ovs>=2.6.1 # Apache-2.0
-pbr>=1.8 # Apache-2.0
+pbr>=2.0.0 # Apache-2.0

setup.py

@@ -25,5 +25,5 @@ except ImportError:
     pass
 
 setuptools.setup(
-    setup_requires=['pbr>=1.8'],
+    setup_requires=['pbr>=2.0.0'],
     pbr=True)

test-requirements.txt

@@ -2,16 +2,16 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-hacking>=0.12.0,<0.13 # Apache-2.0
+hacking<0.13,>=0.12.0 # Apache-2.0
 
 coverage>=4.0 # Apache-2.0
 python-subunit>=0.0.18 # Apache-2.0/BSD
-sphinx>=1.2.1,!=1.3b1,<1.4 # BSD
+sphinx>=1.5.1 # BSD
 oslosphinx>=4.7.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
 os-testr>=0.8.0 # Apache-2.0
-testrepository>=0.0.18  # Apache-2.0/BSD
-testscenarios>=0.4  # Apache-2.0/BSD
+testrepository>=0.0.18 # Apache-2.0/BSD
+testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=1.4.0 # MIT
 
 # releasenotes