add command "status" to "glance-control"
add command "status" to "glance-control"

fixes Bug #955457

The status command displays whether or not a service is running.

Change-Id: Ib4be08a182465d94f33d6ec64d0c089ddc411e3f

sigmavirus24/glance,jumpstarter-io/glance,cloudbau/glance,darren-wang/gl,wkoathp/glance,paramite/glance,akash1808/glance,citrix-openstack-build/glance,tanglei528/glance,jumpstarter-io/glance,ozamiatin/glance,vuntz/glance,darren-wang/gl,paramite/glance,rickerc/glance_audit,dims/glance,openstack/glance,akash1808/glance,klmitch/glance,rickerc/glance_audit,klmitch/glance,stevelle/glance,scripnichenko/glance,JioCloud/glance,tanglei528/glance,SUSE-Cloud/glance,cloudbau/glance,dims/glance,ntt-sic/glance,kfwang/Glance-OVA-OVF,JioCloud/glance,SUSE-Cloud/glance,sigmavirus24/glance,takeshineshiro/glance,stevelle/glance,rajalokan/glance,ntt-sic/glance,ozamiatin/glance,rajalokan/glance,redhat-openstack/glance,kfwang/Glance-OVA-OVF,openstack/glance,saeki-masaki/glance,wkoathp/glance,openstack/glance,redhat-openstack/glance,takeshineshiro/glance,scripnichenko/glance,citrix-openstack-build/glance,vuntz/glance,saeki-masaki/glance