'text/json' should be 'application/json' (bug 843226)
'text/json' should be 'application/json' (bug 843226)

Change-Id: Ic0a6c211a078a43160d4193d6fe3aaa2c4b18b66

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