Enumerate Projects with Unscoped Tokens

Creating a client with a session using an Unscoped tokens now sets auth
info in client.  This Auth Info is necessary in order to enumerate
projects.  This is the standard login path for Horizon.

Change-Id: I688a27cd0e7c98e7cf899ac65bb593a85171813f
Merge "Enumerate Projects with Unscoped Tokens"