Added option to pretty-print JSON
Added option to pretty-print JSON

Change-Id: I0cf98fe510858679e1801889ce85025950fe9f0f

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