Update version to 2012.2
Update version to 2012.2

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