Fix references in jenkins.rst
Fix references in jenkins.rst

Fix a few references since there's no manila.openstack.org redirector.

Change-Id: I07f8191fcbb6a2cf171b31e07eca4e4020a4ab2f

bswartz/manila,NetApp/manila,openstack/manila,jcsp/manila,redhat-openstack/manila,vponomaryov/manila,jcsp/manila,weiting-chen/manila,NetApp/manila,sajuptpm/manila,sajuptpm/manila,vponomaryov/manila,scality/manila,redhat-openstack/manila,openstack/manila,bswartz/manila,scality/manila,weiting-chen/manila