Update the glance-api manpage
Update the glance-api manpage

Change-Id: I8219b29c468f094085a3182d19c3354aca091cd7
Partial-Bug: #1238366

paramite/glance,openstack/glance,dims/glance,klmitch/glance,darren-wang/gl,ozamiatin/glance,wkoathp/glance,takeshineshiro/glance,vuntz/glance,ozamiatin/glance,kfwang/Glance-OVA-OVF,akash1808/glance,wkoathp/glance,tanglei528/glance,takeshineshiro/glance,jumpstarter-io/glance,tanglei528/glance,darren-wang/gl,dims/glance,kfwang/Glance-OVA-OVF,openstack/glance,openstack/glance,rajalokan/glance,saeki-masaki/glance,akash1808/glance,scripnichenko/glance,klmitch/glance,sigmavirus24/glance,stevelle/glance,rajalokan/glance,vuntz/glance,JioCloud/glance,stevelle/glance,sigmavirus24/glance,scripnichenko/glance,jumpstarter-io/glance,JioCloud/glance,paramite/glance,saeki-masaki/glance,redhat-openstack/glance,redhat-openstack/glance