TUT: basic, IO, preProcessing, VV: clean up tutorials

- TUT: mesh: add missing SnakeRiverCanyon files
- TUT: mesh: add missing cp source in a foamyHexMesh tutorial

tutorials/preProcessing/PDRsetFields/simplePipeCage/constant/turbulenceProperties

@@ -14,11 +14,11 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-simulationType  RAS;
+simulationType      RAS;
 
 RAS
 {
-    RASModel PDRkEpsilon;
+    RASModel        PDRkEpsilon;
 
     PDRkEpsilonCoeffs
     {
@@ -37,4 +37,5 @@ RAS
     printCoeffs     on;
 }
 
+
 // ************************************************************************* //