Added ==1.0.4 version specifier to kombu in pip-requires to ensure tests pass in a clean venv.

Fixes bug 862629.

Change-Id: Ie379aaf3a0753b022fa14e7c8f0a18f4c35b9c96

Author: Brian Lamar

tools/pip-requires

@@ -8,7 +8,7 @@ anyjson==0.2.4
 boto==1.9b
 carrot==0.10.5
 eventlet
-kombu
+kombu==1.0.4
 lockfile==0.8
 lxml==2.3
 python-novaclient==2.6.5