more changes to be more RESTful
more changes to be more RESTful

- changed single object responses to {objtype:{obj}}
- changed response status for deletion to 204 NO CONTENT

Signed-off-by: Steve Loranz <749f95e2748aaf836ea2a030a8b369f33fe35144@redhat.com>

henrysher/imagefactory,jmcabandara/imagefactory,redhat-imaging/imagefactory,henrysher/imagefactory,jmcabandara/imagefactory,LalatenduMohanty/imagefactory,LalatenduMohanty/imagefactory,redhat-imaging/imagefactory