Updated from global requirements

Change-Id: I79fe5c8152c5ea9af9b93b92d0a9914fa569e6e5

requirements.txt

@@ -3,7 +3,7 @@
 # process, which may cause wedges in the gate later.
 
 oslo.concurrency>=2.3.0 # Apache-2.0
-oslo.config>=2.6.0 # Apache-2.0
+oslo.config>=2.7.0 # Apache-2.0
 ovs>=2.4.0;python_version=='2.7' # Apache-2.0
 pbr>=1.6
 Babel>=1.3

test-requirements.txt

@@ -7,7 +7,7 @@ hacking<0.11,>=0.10.0
 coverage>=3.6
 python-subunit>=0.0.18
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
-oslosphinx>=2.5.0 # Apache-2.0
+oslosphinx!=3.4.0,>=2.5.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0
 testrepository>=0.0.18
 testscenarios>=0.4