Rename Gnuplot outputter
closes #3434
Get recover test working again
(closes #3436)
Merge pull request #3438 from aeslaughter/recover-3436

Temporary fixes for recover
Fix for Dirac off-diagonal Jacobian entries.

This is a quick fix for three tests that crash in debug mode so that we
can keep the build page running, I am working on trying to track down
the root cause of the issue.

Refs #668.
Merge pull request #3437 from permcody/gnuplot_rename

Rename Gnuplot outputter
Merge pull request #3442 from jwpeterson/fixup_dirac_offdiag

Fix for Dirac off-diagonal Jacobian entries.