Add option to NumNonlinearIterations to accumulate over step ref#4052

Added new option “accumulate_over_step” to the NumNonlinearIterations
Postprocessor.  When set to true, this returns the sum of the nonlinear
iterations for all Picard iterations in a step.
Update find_hung_process.py to work with Falcon or Bechler clusters
closes #4216
Merge pull request #4220 from permcody/hung

Update find_hung_process.py to work with Falcon or Bechler
ElementReadPropertyFile User Object src and test #4066

Added comments to .C and .h files #4066
Merge commit '92a4a199e2c1d1aaae6fc5d020217f0fe0a4a4cb'
Merge pull request #4219 from cpritam/feature_4066

ElementPropertyReadFile src and test #4066
add another search path for libmesh-config refs #4234
Merge pull request #4236 from friedmud/libmesh_config_4234

add another search path for libmesh-config
Merge commit '7b6025ca03e5346329b7a2d2b09ba462abd00963'
Merge commit '0fb5986df9e777d45696c329a463409c0e89c96d'
Obtain and use DOF map (#4182)
Add WrongJacobianDiffusion kernel (#4182)
Add tests (#4182)
Ignore temp_print_trace files

This resolves issue #4238
https://github.com/idaholab/moose/issues/4238
Merge pull request #4239 from roystgnr/ignore_print_trace

Ignore temp_print_trace files
Fix dbg assert (#4182)
Document WrongJacobianDiffusion kernel (#4182)
Fix MooseArray::resize(size,default_value)

My proposed fix for: https://github.com/idaholab/moose/issues/4243
...which MooseBuild appears to only recognize as: #4243
A few more doxygen comments for completeness (refs #4182)
Merge pull request #4237 from dschwen/nextgenjacob_4182

Use DOFMapOutput in Jacobian tester