Make HACKING.rst formatting sync with other repos
Make HACKING.rst formatting sync with other repos

Make HACKING.rst have the same format as in other OpenStack repos. When
working across multiple projects its nicer to have files have the same
formatting to reduce confusion.

Change-Id: I078f7ba512cfd8ccaf646e37287bcdbb11e54e90

kfox1111/horizon,Metaswitch/horizon,dan1/horizon-proto,icloudrnd/automation_tools,tanglei528/horizon,mrunge/openstack_horizon,mrunge/horizon_lib,doug-fish/horizon,saydulk/horizon,newrocknj/horizon,j4/horizon,xinwu/horizon,vladryk/horizon,agileblaze/OpenStackTwoFactorAuthentication,BiznetGIO/horizon,JioCloud/horizon,tqtran7/horizon,wangxiangyu/horizon,Dark-Hacker/horizon,tellesnobrega/horizon,tsufiev/horizon,xme1226/horizon,Tesora/tesora-horizon,coreycb/horizon,newrocknj/horizon,spring-week-topos/horizon-week,yanheven/console,mrunge/horizon_lib,vladryk/horizon,vladryk/horizon,gochist/horizon,mandeepdhami/horizon,pranavtendolkr/horizon,openstack/horizon,yeming233/horizon,CiscoSystems/avos,j4/horizon,tqtran7/horizon,endorphinl/horizon,BiznetGIO/horizon,henaras/horizon,agileblaze/OpenStackTwoFactorAuthentication,pranavtendolkr/horizon,izadorozhna/dashboard_integration_tests,damien-dg/horizon,ChameleonCloud/horizon,wangxiangyu/horizon,redhat-openstack/horizon,j4/horizon,philoniare/horizon,VaneCloud/horizon,eayunstack/horizon,ging/horizon,mrunge/openstack_horizon,CiscoSystems/horizon,django-leonardo/horizon,davidcusatis/horizon,yjxtogo/horizon,bigswitch/horizon,eayunstack/horizon,mrunge/horizon,JioCloud/horizon,tsufiev/horizon,maestro-hybrid-cloud/horizon,endorphinl/horizon-fork,gerrive/horizon,redhat-cip/horizon,FNST-OpenStack/horizon,henaras/horizon,VaneCloud/horizon,Dark-Hacker/horizon,saydulk/horizon,ikargis/horizon_fod,idjaw/horizon,NCI-Cloud/horizon,aaronorosen/horizon-congress,newrocknj/horizon,henaras/horizon,icloudrnd/automation_tools,icloudrnd/automation_tools,xme1226/horizon,maestro-hybrid-cloud/horizon,Tesora/tesora-horizon,philoniare/horizon,mdavid/horizon,davidcusatis/horizon,promptworks/horizon,mandeepdhami/horizon,bigswitch/horizon,mdavid/horizon,zouyapeng/horizon,sandvine/horizon,takeshineshiro/horizon,Hodorable/0602,Mirantis/mos-horizon,Dark-Hacker/horizon,luhanhan/horizon,karthik-suresh/horizon,NCI-Cloud/horizon,flochaz/horizon,anthonydillon/horizon,sandvine/horizon,maestro-hybrid-cloud/horizon,NCI-Cloud/horizon,redhat-cip/horizon,bac/horizon,ikargis/horizon_fod,CiscoSystems/horizon,NeCTAR-RC/horizon,pranavtendolkr/horizon,coreycb/horizon,watonyweng/horizon,gerrive/horizon,sandvine/horizon,orbitfp7/horizon,Solinea/horizon,liyitest/rr,Mirantis/mos-horizon,FNST-OpenStack/horizon,luhanhan/horizon,ging/horizon,ikargis/horizon_fod,davidcusatis/horizon,django-leonardo/horizon,orbitfp7/horizon,Daniex/horizon,nvoron23/avos,tsufiev/horizon,tanglei528/horizon,nvoron23/avos,redhat-openstack/horizon,xme1226/horizon,liyitest/rr,Daniex/horizon,luhanhan/horizon,davidcusatis/horizon,noironetworks/horizon,gochist/horizon,NCI-Cloud/horizon,Tesora/tesora-horizon,CiscoSystems/horizon,openstack/horizon,watonyweng/horizon,wolverineav/horizon,NeCTAR-RC/horizon,tqtran7/horizon,icloudrnd/automation_tools,coreycb/horizon,anthonydillon/horizon,tellesnobrega/horizon,pranavtendolkr/horizon,NeCTAR-RC/horizon,zouyapeng/horizon,froyobin/horizon,Daniex/horizon,endorphinl/horizon,agileblaze/OpenStackTwoFactorAuthentication,mrunge/horizon_lib,yanheven/console,takeshineshiro/horizon,mdavid/horizon,doug-fish/horizon,Dark-Hacker/horizon,idjaw/horizon,Metaswitch/horizon,Hodorable/0602,agileblaze/OpenStackTwoFactorAuthentication,takeshineshiro/horizon,kfox1111/horizon,liyitest/rr,dan1/horizon-x509,openstack/horizon,coreycb/horizon,endorphinl/horizon-fork,eayunstack/horizon,Mirantis/mos-horizon,RudoCris/horizon,yjxtogo/horizon,wangxiangyu/horizon,promptworks/horizon,redhat-openstack/horizon,blueboxgroup/horizon,doug-fish/horizon,spring-week-topos/horizon-week,Hodorable/0602,xinwu/horizon,NeCTAR-RC/horizon,redhat-cip/horizon,VaneCloud/horizon,Solinea/horizon,xinwu/horizon,mrunge/horizon,wolverineav/horizon,dan1/horizon-proto,dan1/horizon-proto,tellesnobrega/horizon,Mirantis/mos-horizon,newrocknj/horizon,anthonydillon/horizon,liyitest/rr,Daniex/horizon,ging/horizon,RudoCris/horizon,philoniare/horizon,noironetworks/horizon,wangxiangyu/horizon,openstack/horizon,mrunge/openstack_horizon,bigswitch/horizon,mandeepdhami/horizon,yeming233/horizon,xinwu/horizon,damien-dg/horizon,froyobin/horizon,yanheven/console,saydulk/horizon,philoniare/horizon,aaronorosen/horizon-congress,karthik-suresh/horizon,vladryk/horizon,mrunge/horizon,CiscoSystems/horizon,Tesora/tesora-horizon,flochaz/horizon,redhat-openstack/horizon,FNST-OpenStack/horizon,nvoron23/avos,endorphinl/horizon,dan1/horizon-x509,CiscoSystems/avos,bac/horizon,RudoCris/horizon,BiznetGIO/horizon,dan1/horizon-x509,mdavid/horizon,yjxtogo/horizon,maestro-hybrid-cloud/horizon,blueboxgroup/horizon,yjxtogo/horizon,yeming233/horizon,bac/horizon,promptworks/horizon,blueboxgroup/horizon,gochist/horizon,promptworks/horizon,tqtran7/horizon,izadorozhna/dashboard_integration_tests,noironetworks/horizon,flochaz/horizon,ChameleonCloud/horizon,tsufiev/horizon,yeming233/horizon,Metaswitch/horizon,Hodorable/0602,froyobin/horizon,kfox1111/horizon,orbitfp7/horizon,karthik-suresh/horizon,damien-dg/horizon,tanglei528/horizon,zouyapeng/horizon,django-leonardo/horizon,endorphinl/horizon-fork,bigswitch/horizon,Solinea/horizon,ChameleonCloud/horizon,henaras/horizon,karthik-suresh/horizon,watonyweng/horizon,takeshineshiro/horizon,saydulk/horizon,Solinea/horizon,spring-week-topos/horizon-week,blueboxgroup/horizon,damien-dg/horizon,django-leonardo/horizon,flochaz/horizon,wolverineav/horizon,watonyweng/horizon,bac/horizon,endorphinl/horizon-fork,zouyapeng/horizon,JioCloud/horizon,ChameleonCloud/horizon,gerrive/horizon,gerrive/horizon,endorphinl/horizon,RudoCris/horizon,VaneCloud/horizon,redhat-cip/horizon,wolverineav/horizon,dan1/horizon-x509,aaronorosen/horizon-congress,noironetworks/horizon,j4/horizon,nvoron23/avos,kfox1111/horizon,idjaw/horizon,orbitfp7/horizon,Metaswitch/horizon,tellesnobrega/horizon,doug-fish/horizon,idjaw/horizon,BiznetGIO/horizon,CiscoSystems/avos,luhanhan/horizon,sandvine/horizon,FNST-OpenStack/horizon,CiscoSystems/avos,anthonydillon/horizon,mandeepdhami/horizon,ging/horizon,dan1/horizon-proto