Checks for an empty body in action requests and bottoms out appropriately.
Checks for an empty body in action requests and bottoms out appropriately.

changsimon/trove,fabian4/trove,redhat-openstack/trove,redhat-openstack/trove,denismakogon/trove-guestagent,zhujzhuo/openstack-trove,openstack/trove,cp16net/trove,citrix-openstack-build/trove,mmasaki/trove,citrix-openstack/build-trove,citrix-openstack-build/trove,changsimon/trove,citrix-openstack-build/trove,zhangg/trove,redhat-openstack/trove,mmasaki/trove,citrix-openstack/build-trove,denismakogon/trove-guestagent,mmasaki/trove,zhujzhuo/openstack-trove,hplustree/trove,cp16net/trove,cp16net/trove,openstack/trove,fabian4/trove,fabian4/trove,changsimon/trove,citrix-openstack/build-trove,zhujzhuo/openstack-trove,zhangg/trove,hplustree/trove