randomize which practice user is used
Merge pull request #482 from Alex-Jordan/randomizePracticeUser

randomize which practice user is used

Nevermind, its because List::Util is part of the "core" perl modules.
Merge branch 'develop' of https://github.com/openwebwork/webwork2 into access
Removed link from Sets nav when set is restricted and not past due.
Refactored restricted set changes a little bit.  Cleaned up the is_restricted method as well.