ENH: Added fvOptions support to potentialFoam

applications/solvers/basic/potentialFoam/Make/options

 EXE_INC = \
-    -I$(LIB_SRC)/finiteVolume/lnInclude
+    -I$(LIB_SRC)/finiteVolume/lnInclude \
+    -I$(LIB_SRC)/meshTools/lnInclude \
+    -I$(LIB_SRC)/fvOptions/lnInclude \
+    -I$(LIB_SRC)/sampling/lnInclude
 
-EXE_LIBS = -lfiniteVolume
+EXE_LIBS = \
+    -lfiniteVolume \
+    -lmeshTools \
+    -lfvOptions \
+    -lsampling

applications/solvers/basic/potentialFoam/potentialFoam.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -31,7 +31,7 @@ Description
 \*---------------------------------------------------------------------------*/
 
 #include "fvCFD.H"
-
+#include "fvIOoptionList.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
@@ -49,17 +49,20 @@ int main(int argc, char *argv[])
     #include "createMesh.H"
     #include "readControls.H"
     #include "createFields.H"
+    #include "createFvOptions.H"
 
     // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
     Info<< nl << "Calculating potential flow" << endl;
 
     // Since solver contains no time loop it would never execute
-    // function objects so do it ourselves.
+    // function objects so do it ourselves
     runTime.functionObjects().start();
 
     adjustPhi(phi, U, p);
 
+    fvOptions.relativeFlux(phi);
+
     for (int nonOrth=0; nonOrth<=nNonOrthCorr; nonOrth++)
     {
         fvScalarMatrix pEqn
@@ -87,6 +90,8 @@ int main(int argc, char *argv[])
         }
     }
 
+    fvOptions.absoluteFlux(phi);
+
     Info<< "continuity error = "
         << mag(fvc::div(phi))().weightedAverage(mesh.V()).value()
         << endl;