Adds openSUSE in the installing documentation
Adds openSUSE in the installing documentation

Change-Id: Ic8a19d9fd1d6d551b9ca2ee36389c69e63cf0869

dims/glance,ozamiatin/glance,openstack/glance,wkoathp/glance,paramite/glance,openstack/glance,darren-wang/gl,akash1808/glance,scripnichenko/glance,stevelle/glance,JioCloud/glance,rajalokan/glance,kfwang/Glance-OVA-OVF,klmitch/glance,wkoathp/glance,saeki-masaki/glance,openstack/glance,ozamiatin/glance,scripnichenko/glance,paramite/glance,rajalokan/glance,vuntz/glance,sigmavirus24/glance,takeshineshiro/glance,takeshineshiro/glance,sigmavirus24/glance,jumpstarter-io/glance,JioCloud/glance,jumpstarter-io/glance,stevelle/glance,saeki-masaki/glance,vuntz/glance,kfwang/Glance-OVA-OVF,akash1808/glance,darren-wang/gl,klmitch/glance,dims/glance