Need one more specialization to handle int literals - #2879
Default values for FunctionNames
closes #2880
Add stress output in a direction

Ref #2929
Merge pull request #2920 from permcody/default_pps

Default Function values
Merge commit '612e05dae82fa91f83258cdd863ff8f4f69fe626'
Merge pull request #2932 from jasondhales/stress_2929

Add stress output in a direction
Merge commit '1f63c6c7b4eb59cbfeb948b76ac30bb677ae38aa'
Removing unnecessary LinearElasticityModule file.

Refs #2937.
Fixing unused variable warnings.

Refs #1777.
Merge pull request #2938 from jwpeterson/linear_elasticity_module

Removing unnecessary LinearElasticityModule file.
Merge commit '2c0bc4819ea588b462a99273bf24358fc9638823'
Merge pull request #2939 from jwpeterson/fixing_warnings

Fixing unused variable warnings.
Merge commit '912a7369c820ff1fd8b19a7dfbd56b4a1832ac00'