Match global requirements

Change-Id: Iecd10a9e24f58aec64c82a846645df9e2c240deb

requirements.txt

@@ -1,15 +1,15 @@
-pbr>=0.5.21,<1.0
-Babel>=0.9.6
-pecan>=0.4.4
+pbr>=0.6,!=0.7,<1.0
+Babel>=1.3.0
+pecan>=0.4.5
 WSME>=0.6
-oslo.config>=1.2.0
+oslo.config>=1.2.1
 python-glanceclient
 python-novaclient
 python-cinderclient
 httplib2>=0.7.5
 alembic>=0.4.1
-iso8601>=0.1.8
+iso8601>=0.1.9
 requests>=1.1
-six>=1.5.2
-SQLAlchemy>=0.8,<=0.8.99
+six>=1.7.0
+SQLAlchemy>=0.7.8,!=0.9.5,<=0.9.99
 stevedore>=0.14