high order patch #2294
need to set right quadrature order for aux elemental variable evaluation #2294
a test for the high order aux variable #2294
richards tests and user doco added.  partially addresses ticked #2637
richards theory doco added.  Completes ticket #2637
Revert "Fixing type for "file_base" param in the Output system (refs #1927)"

This reverts commit 35862d29735faa09d1d1634447c61878f4e3ddb6.
Merge pull request #2638 from WilkAndy/feature_2637

Merging documentation #2637
Merge pull request #2615 from YaqiWang/high_order_2294

High order #2294
fixup test closes #2294
RichardsRelPermPowerGas added, and tests added.  This should close #2635
Merge pull request #2648 from WilkAndy/feature_2635

RichardsRelPermPowerGas added, and tests added.  This should close #2635
Added ability to output on nonlinear and linear residuals (#2617)
Updated skipped tests (#2617)
Clean up whitespace and tabs (#2617)
Scale for HomogenizedThermalConductivity #2651
Merge pull request #2649 from aeslaughter/iter-2617

Adds ability to output every nonlinear and linear iteration
Merge pull request #2652 from jasondhales/scale_2651

Scale for HomogenizedThermalConductivity #2651
Many fixes for Peacock refs #2656
fix pyside compatibility refs #2656
Merge branch 'sync-solution-vectors' into devel