Corrected oversampling logic bug
(closes #3425)
Added support for second-order lagrange elements
(refs #3425)
MechFunctions only re-built if mesh adapts; added tests that mimic ex02
(refs #3425)
Merge pull request #3498 from aeslaughter/oversample-3425

Corrected oversampling seg. fault
Merge commit 'fb97f2d9f558661f6e522be28ec70c0b4eb4bf86'