Add docs for 0.9.0
Add docs for 0.9.0

Change-Id: Ic4645b8d83eec6577b67cc17d805c6b12b1bacda

JioCloud/python-glanceclient,citrix-openstack-build/python-glanceclient,alexpilotti/python-glanceclient,openstack/python-glanceclient,metacloud/python-glanceclient,varunarya10/python-glanceclient,JioCloud/python-glanceclient,mmasaki/python-glanceclient,metacloud/python-glanceclient,mmasaki/python-glanceclient,openstack/python-glanceclient,klmitch/python-glanceclient,klmitch/python-glanceclient,alexpilotti/python-glanceclient,ntt-sic/python-glanceclient,varunarya10/python-glanceclient,citrix-openstack-build/python-glanceclient,ntt-sic/python-glanceclient