user_terms 6.x-1.0-beta3

Fixed a few small bugs and added more Views support.

Details of changes since last beta:

- #719560: add a relationship user -> terms by joachim: Added a views relationship from users to terms.
- #711930: Get term name in argument title by joachim: Fixed Views term name in argument title and breadcrumbs.
- #705990: a view with just the anon user produces an SQL error by joachim: Fixed sql error on view with no non-zero uids.
- #689322: Allow Views field to limit by vocabulary by joachim: Added option to limit Views field by vocabulary.