Breaks test for job logic out into its own spec that doesn't touch Resque and updates the employee model spec to ensure that the uniqueness over NUID validation is being enforced.
User model now only attempts to create a fedora employee object after creation of the user.  Eliminates validation in the link_to_drs method that is now being applied at the model level.
Updates employee model to only run the uniqueness validation on create.  Simplifies the exists_by_nuid? method and shortens the amount of time safe lookup will spend waiting for a completed match to appear in Fedora.
One line text change on the show action for personal folders.