Changed TensorMechanicsAction to be under Kenels in input file for #4032
Removed old syntax that no long applies for #4032
Modified tests in combined for #4032
Removed default values for non-required variables and cleaned up the code for #4032
Merge pull request #4039 from tonkmr/TensorMechanicsAction_4032

Changed TensorMechanicsAction to fall under kernels in the input file syntax #4032