Sync requirements with globals

Change-Id: I1af1fb3002b56b0d6f7b8d60e123f8f85c4eed96

requirements.txt

@@ -1,13 +1,13 @@
-pbr>=0.5.21,<1.0
+pbr>=0.6,<1.0
 
 Flask>=0.10,<1.0
 Flask-Gravatar
 iso8601>=0.1.8
 oslo.config>=1.2.0
 paramiko>=1.8.0
-psutil<=1.0.1
+psutil>=1.1.1
 PyGithub
 python-memcached>=1.48
 PyYAML>=3.1.0
 sh
-six>=1.4.1
+six>=1.5.2

test-requirements.txt

@@ -4,7 +4,7 @@ coverage>=3.6
 discover
 docutils==0.9.1
 fixtures>=0.3.14
-jsonschema>=1.3.0,!=1.4.0
+jsonschema>=2.0.0,<3.0.0
 mock>=1.0
 python-subunit
 sphinx>=1.1.2,<1.2