Hydra::RemoteIdentifier v0.6.4 - DOI Resolver is Configurable

2014-05-28: Adding resolver_url for DOI service [Jeremy Friesen]
2014-03-28: Correcting URI for ezid [Jeremy Friesen]
2014-03-27: Adding option to run spec against live server [Jeremy Friesen]
2014-03-21: Adding run-tests for Jenkins based testing [Jeremy Friesen]
2014-03-21: Explicitly declaring Hydra module [Jeremy Friesen]