user_terms 6.x-1.0-beta4

Hopefully the final beta release before 1.0!

More bugfixes:

- #728972: Terms are clobbered by user operations when terms are on account by joachim: Fixed data deletion by user operations when terms are on the account form.
- #743954: Undefined variable $output in hook_help() implementation. by cpliakas: Fixed undefined variable $output in hook_help().
- #724904: respect vocabulary weight on user account page by joachim: Fixed vocabulary and term weights not respected on user account page.
- #728948: Make title "User terms" on account page translateable by joachim: Fixed missing t() on account page string.
- #724880: work with user account page API by joachim: Fixed use of hook_user view API to produce compliant HTML and grouped all terms under a single top-level category.

New features:

- #744044: Implement a "user_terms_override_selector" variable so third party modules can add custom selectors by cpliakas: Added an override for third party modules to add custom selectors.

This allows integration with Hierarchical Select module.