At its core, this is adding the ability to finx a schema through
published links and convert it to a usable object.
Related to bp glance-client-v2
Change-Id: I7b38ad091c6b0ad80197eb789503cf73989893e5
This only allows you to run image-list, but sets up a framework
that we can use to fill in the rest of the v2 functionality.
* Related to bp glance-client-v2
Change-Id: I8827e36fdcf79fe402990a6d05898ec00cbd54c6