Fixup memory leaks in moose unit
closes #3756
Merge pull request #3831 from permcody/fix_mem_leaks

Fixup memory leaks in moose unit
Adding documentation for contact heavy tests. Refs #3836.
Merge pull request #3838 from gambka/contact_tests_3836

Adding documentation for contact heavy tests. Refs #3836.
Added protection against adding OutputInterface objects before Output objects are created
(refs #3702)
Restricting test #000
Created action for setting up Output object names prior to object construction
(refs #3702)
Merge pull request #3840 from aeslaughter/pp-3702

Added protection against adding OutputInterface objects before Output objects are created