fixes the "RetryOnRenew" lease-renewal needed bug in jclouds, locally, with some guice magic

https://issues.apache.org/jira/browse/JCLOUDS-615 / https://issues.apache.org/jira/browse/BROOKLYN-6

when the former above is fixed properly upstream we can undo this.
oops yeah probably.  i've been marking a lot of jclouds-based tests as `Integration` but that's probably wrong, eh?