Login and get perspective from remote PB server.

Currently the following credentials are supported:

   L{twisted.cred.credentials.IUsernamePassword}
   L{twisted.cred.credentials.IAnonymous}
ReturnsA Deferred which will be called back with a RemoteReference for the avatar logged in to, or which will errback if login fails. (type: Deferred)
API Documentation for Twisted, generated by pydoctor at 2015-05-19 13:11:36.