Document how to add panel with no panel group
Document how to add panel with no panel group

Change-Id: If392147b54151279700c454977cb322c824180ab
Closes-Bug: #1322376

mandeepdhami/horizon,wangxiangyu/horizon,Daniex/horizon,doug-fish/horizon,Daniex/horizon,liyitest/rr,gerrive/horizon,yjxtogo/horizon,j4/horizon,ChameleonCloud/horizon,Tesora/tesora-horizon,django-leonardo/horizon,nvoron23/avos,mdavid/horizon,eayunstack/horizon,JioCloud/horizon,RudoCris/horizon,coreycb/horizon,dan1/horizon-proto,wangxiangyu/horizon,flochaz/horizon,Hodorable/0602,doug-fish/horizon,tqtran7/horizon,mdavid/horizon,eayunstack/horizon,xinwu/horizon,damien-dg/horizon,orbitfp7/horizon,idjaw/horizon,maestro-hybrid-cloud/horizon,zouyapeng/horizon,noironetworks/horizon,davidcusatis/horizon,sandvine/horizon,mrunge/horizon,flochaz/horizon,anthonydillon/horizon,pranavtendolkr/horizon,tellesnobrega/horizon,froyobin/horizon,mrunge/openstack_horizon,kfox1111/horizon,redhat-openstack/horizon,redhat-openstack/horizon,ChameleonCloud/horizon,mrunge/horizon_lib,orbitfp7/horizon,maestro-hybrid-cloud/horizon,dan1/horizon-x509,yeming233/horizon,blueboxgroup/horizon,redhat-openstack/horizon,blueboxgroup/horizon,gerrive/horizon,openstack/horizon,agileblaze/OpenStackTwoFactorAuthentication,takeshineshiro/horizon,sandvine/horizon,yeming233/horizon,wolverineav/horizon,bac/horizon,Hodorable/0602,Tesora/tesora-horizon,watonyweng/horizon,bac/horizon,endorphinl/horizon-fork,NeCTAR-RC/horizon,tqtran7/horizon,FNST-OpenStack/horizon,Daniex/horizon,newrocknj/horizon,takeshineshiro/horizon,froyobin/horizon,mrunge/openstack_horizon,bac/horizon,Metaswitch/horizon,philoniare/horizon,nvoron23/avos,dan1/horizon-proto,Metaswitch/horizon,damien-dg/horizon,newrocknj/horizon,promptworks/horizon,CiscoSystems/horizon,Mirantis/mos-horizon,wolverineav/horizon,izadorozhna/dashboard_integration_tests,karthik-suresh/horizon,openstack/horizon,henaras/horizon,Hodorable/0602,wolverineav/horizon,tellesnobrega/horizon,ChameleonCloud/horizon,maestro-hybrid-cloud/horizon,xme1226/horizon,endorphinl/horizon,bigswitch/horizon,Solinea/horizon,bac/horizon,doug-fish/horizon,NCI-Cloud/horizon,sandvine/horizon,ChameleonCloud/horizon,mrunge/horizon,takeshineshiro/horizon,liyitest/rr,VaneCloud/horizon,froyobin/horizon,noironetworks/horizon,tsufiev/horizon,anthonydillon/horizon,j4/horizon,xinwu/horizon,saydulk/horizon,damien-dg/horizon,pranavtendolkr/horizon,endorphinl/horizon-fork,CiscoSystems/avos,watonyweng/horizon,promptworks/horizon,liyitest/rr,CiscoSystems/avos,Solinea/horizon,agileblaze/OpenStackTwoFactorAuthentication,wolverineav/horizon,henaras/horizon,BiznetGIO/horizon,mrunge/horizon_lib,xinwu/horizon,wangxiangyu/horizon,izadorozhna/dashboard_integration_tests,icloudrnd/automation_tools,django-leonardo/horizon,yjxtogo/horizon,BiznetGIO/horizon,tqtran7/horizon,icloudrnd/automation_tools,pranavtendolkr/horizon,RudoCris/horizon,vladryk/horizon,NeCTAR-RC/horizon,VaneCloud/horizon,NeCTAR-RC/horizon,ging/horizon,tsufiev/horizon,saydulk/horizon,mrunge/horizon,Mirantis/mos-horizon,endorphinl/horizon,pranavtendolkr/horizon,nvoron23/avos,dan1/horizon-x509,eayunstack/horizon,coreycb/horizon,yeming233/horizon,noironetworks/horizon,Metaswitch/horizon,newrocknj/horizon,xinwu/horizon,luhanhan/horizon,takeshineshiro/horizon,Dark-Hacker/horizon,icloudrnd/automation_tools,wangxiangyu/horizon,Solinea/horizon,luhanhan/horizon,yjxtogo/horizon,promptworks/horizon,dan1/horizon-x509,karthik-suresh/horizon,henaras/horizon,flochaz/horizon,damien-dg/horizon,promptworks/horizon,openstack/horizon,tsufiev/horizon,flochaz/horizon,FNST-OpenStack/horizon,zouyapeng/horizon,orbitfp7/horizon,tqtran7/horizon,coreycb/horizon,philoniare/horizon,liyitest/rr,JioCloud/horizon,aaronorosen/horizon-congress,Daniex/horizon,orbitfp7/horizon,redhat-cip/horizon,kfox1111/horizon,aaronorosen/horizon-congress,CiscoSystems/horizon,NeCTAR-RC/horizon,Dark-Hacker/horizon,endorphinl/horizon-fork,BiznetGIO/horizon,endorphinl/horizon,mrunge/openstack_horizon,redhat-cip/horizon,Metaswitch/horizon,tellesnobrega/horizon,j4/horizon,gerrive/horizon,VaneCloud/horizon,CiscoSystems/horizon,JioCloud/horizon,mdavid/horizon,idjaw/horizon,luhanhan/horizon,sandvine/horizon,newrocknj/horizon,django-leonardo/horizon,saydulk/horizon,ging/horizon,dan1/horizon-proto,mrunge/horizon_lib,coreycb/horizon,redhat-openstack/horizon,ging/horizon,tellesnobrega/horizon,philoniare/horizon,gerrive/horizon,CiscoSystems/avos,Mirantis/mos-horizon,watonyweng/horizon,tsufiev/horizon,Tesora/tesora-horizon,RudoCris/horizon,Solinea/horizon,anthonydillon/horizon,agileblaze/OpenStackTwoFactorAuthentication,saydulk/horizon,bigswitch/horizon,FNST-OpenStack/horizon,watonyweng/horizon,xme1226/horizon,luhanhan/horizon,dan1/horizon-proto,bigswitch/horizon,vladryk/horizon,yeming233/horizon,Mirantis/mos-horizon,blueboxgroup/horizon,vladryk/horizon,ging/horizon,idjaw/horizon,CiscoSystems/horizon,anthonydillon/horizon,bigswitch/horizon,davidcusatis/horizon,icloudrnd/automation_tools,nvoron23/avos,zouyapeng/horizon,VaneCloud/horizon,Dark-Hacker/horizon,vladryk/horizon,FNST-OpenStack/horizon,NCI-Cloud/horizon,blueboxgroup/horizon,philoniare/horizon,mandeepdhami/horizon,zouyapeng/horizon,idjaw/horizon,RudoCris/horizon,openstack/horizon,redhat-cip/horizon,xme1226/horizon,endorphinl/horizon,noironetworks/horizon,kfox1111/horizon,karthik-suresh/horizon,yjxtogo/horizon,redhat-cip/horizon,django-leonardo/horizon,agileblaze/OpenStackTwoFactorAuthentication,CiscoSystems/avos,kfox1111/horizon,Dark-Hacker/horizon,mdavid/horizon,NCI-Cloud/horizon,davidcusatis/horizon,mandeepdhami/horizon,henaras/horizon,doug-fish/horizon,aaronorosen/horizon-congress,endorphinl/horizon-fork,NCI-Cloud/horizon,j4/horizon,dan1/horizon-x509,maestro-hybrid-cloud/horizon,davidcusatis/horizon,Tesora/tesora-horizon,BiznetGIO/horizon,mandeepdhami/horizon,karthik-suresh/horizon,Hodorable/0602