Trove/NextAPI

Random Notes for the next API

 * Zero length arrays suck. Lets not persist that bug.
 * Additional, random, properties should be allowed.
 * /actions are terrible. Make them /instances/id/{resize,reboot}
 * IDS should all be ints
 * blahRef are dumb. lets not use camelCase
 * https://bugs.launchpad.net/trove/+bug/1232969