Monkey patching 'thread'.
Monkey patching 'thread'.

Fixes bug 1012381.

Change-Id: Icb7b2372df96d647fc6dcd4c4ebe72c8aa607f9d

cloudbau/keystone,dstanek/keystone,himanshu-setia/keystone,rushiagr/keystone,klmitch/keystone,ilay09/keystone,mahak/keystone,citrix-openstack-build/keystone,himanshu-setia/keystone,reeshupatel/demo,kwss/keystone,nuxeh/keystone,JioCloud/keystone,rajalokan/keystone,mahak/keystone,dsiddharth/access-keys,ging/keystone,ntt-sic/keystone,cbrucks/Federated_Keystone,dims/keystone,jamielennox/keystone,dsiddharth/access-keys,ging/keystone,cbrucks/Federated_Keystone,promptworks/keystone,jonnary/keystone,vivekdhayaal/keystone,rushiagr/keystone,cernops/keystone,savi-dev/keystone,klmitch/keystone,jumpstarter-io/keystone,townbull/keystone-dtrust,ajayaa/keystone,mahak/keystone,derekchiang/keystone,ntt-sic/keystone,openstack/keystone,rickerc/keystone_audit,blueboxgroup/keystone,cernops/keystone,idjaw/keystone,rickerc/keystone_audit,takeshineshiro/keystone,townbull/keystone-dtrust,idjaw/keystone,vivekdhayaal/keystone,rodrigods/keystone,savi-dev/keystone,kwss/keystone,reeshupatel/demo,citrix-openstack-build/keystone,jamielennox/keystone,jonnary/keystone,jumpstarter-io/keystone,openstack/keystone,dstanek/keystone,roopali8/keystone,cloudbau/keystone,townbull/keystone-dtrust,takeshineshiro/keystone,rickerc/keystone_audit,cloudbau/keystone,vivekdhayaal/keystone,kwss/keystone,dstanek/keystone,MaheshIBM/keystone,rodrigods/keystone,dsiddharth/access-keys,openstack/keystone,dims/keystone,MaheshIBM/keystone,ajayaa/keystone,citrix-openstack-build/keystone,reeshupatel/demo,ntt-sic/keystone,rajalokan/keystone,promptworks/keystone,blueboxgroup/keystone,JioCloud/keystone,nuxeh/keystone,rajalokan/keystone,maestro-hybrid-cloud/keystone,derekchiang/keystone,ilay09/keystone,promptworks/keystone,derekchiang/keystone,savi-dev/keystone,UTSA-ICS/keystone-kerberos,UTSA-ICS/keystone-kerberos,maestro-hybrid-cloud/keystone,ilay09/keystone,nuxeh/keystone,roopali8/keystone,cbrucks/Federated_Keystone,rushiagr/keystone,jumpstarter-io/keystone