pressure pulse test p_fu_lumped_22.i tightened convergence criteria and regolded.  Fixes #3368
PointValue threading repaired
(refs #3387)
Add tests for quadrature order options closes #3380
Tests that allow easy exploration of user objects have been added.

Fixes #3394

These tests are entirely trivial from a test-suite point of view.
They pass if they run.  They fail if the input files cause a crash.

Also a little doco has been added to user.tex that explains the
functionality.
Merge pull request #3391 from aeslaughter/threading-3387

PointValue threading repaired
Merge commit '78fb6da031a22488478bdac70e52bfb594ee41a3'
Logic updates for find_dep_app.py
closes #3397
Merge pull request #3398 from permcody/find_dep_apps

Logic updates for find_dep_app.py
Merge commit 'ab6a57beb48c225570ef1526fa98e86b00401fdf'
Add kernel and test for thermo-diffusion: #3392.
Merge pull request #3401 from bwspenc/face_order

Add tests for quadrature order options
Merge commit '7cd530155121bebb133095edf2daf96bd1f31c69'
Merge pull request #3370 from WilkAndy/test_fail_3368

pressure pulse test p_fu_lumped_22 relaxed tolerance to ensure test runs...
Merge commit '1053385457c87211f2312e41fee5d177b92d657b'
Enable --error-unused for moose_test
Fixup logic for libMesh configure checks in MOOSE input files
closes #3403
Skipping tests that do not work with Parallel mesh
closes #3412
Skipping Richards test until it can be reviewed
refs #3411
Nodal ids do not match when running this test with parallel mesh
refs #3414
Merge commit '289a0a7d90ecef39eff5cd852f61856d5b2ae58a'
Merge pull request #3406 from shanestafford/thermodiffusion_3392

Add kernel and test for thermo-diffusion: #3392.