Adds run_tests.sh cli option to stop on failure
Adds run_tests.sh cli option to stop on failure

Change-Id: I77def7f99b1e9c29649afb74e76948e375fa2980

nuxeh/keystone,openstack/keystone,reeshupatel/demo,dstanek/keystone,rodrigods/keystone,rushiagr/keystone,rajalokan/keystone,mahak/keystone,nuxeh/keystone,himanshu-setia/keystone,ilay09/keystone,jumpstarter-io/keystone,derekchiang/keystone,jonnary/keystone,dsiddharth/access-keys,roopali8/keystone,vivekdhayaal/keystone,blueboxgroup/keystone,jonnary/keystone,dims/keystone,dsiddharth/access-keys,ajayaa/keystone,rushiagr/keystone,ilay09/keystone,dsiddharth/access-keys,reeshupatel/demo,rushiagr/keystone,MaheshIBM/keystone,ilay09/keystone,derekchiang/keystone,mahak/keystone,dstanek/keystone,ging/keystone,openstack/keystone,JioCloud/keystone,rajalokan/keystone,dstanek/keystone,idjaw/keystone,promptworks/keystone,mahak/keystone,MaheshIBM/keystone,jumpstarter-io/keystone,rajalokan/keystone,rodrigods/keystone,jumpstarter-io/keystone,jamielennox/keystone,idjaw/keystone,vivekdhayaal/keystone,jamielennox/keystone,dims/keystone,UTSA-ICS/keystone-kerberos,takeshineshiro/keystone,maestro-hybrid-cloud/keystone,roopali8/keystone,openstack/keystone,ging/keystone,JioCloud/keystone,himanshu-setia/keystone,maestro-hybrid-cloud/keystone,klmitch/keystone,ajayaa/keystone,nuxeh/keystone,promptworks/keystone,klmitch/keystone,promptworks/keystone,vivekdhayaal/keystone,takeshineshiro/keystone,blueboxgroup/keystone,cernops/keystone,cernops/keystone,reeshupatel/demo,UTSA-ICS/keystone-kerberos,derekchiang/keystone