ElementReadPropertyFile User Object src and test #4066

Added comments to .C and .h files #4066
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
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
FiniteStrainCrystalPlasticity src and header files. Added userobject test and regolded test #4235
FiniteStrainCrystalPlasticity src and header files. Added userobject test and regolded test #4235