Utilities patchAverage and patchIntegrate replaced by postProcess

e.g.
    postProcess -func 'patchAverage(name=inlet,p)'
    postProcess -func 'patchIntegrate(name=inlet,p)'

applications/utilities/postProcessing/postProcess/postProcess.C

@@ -128,6 +128,9 @@ int main(int argc, char *argv[])
     #include "addRegionOption.H"
     #include "addFunctionObjectOptions.H"
 
+    // Set functionObject post-processing mode
+    functionObject::postProcess = true;
+
     #include "setRootCase.H"
 
     if (args.optionFound("list"))