ENH: add -verbose option to surface conversion, cleanup

- by default, reduce the amount of output

ENH: support default text description for -verbose option

- simplifies use in more places.

applications/utilities/postProcessing/dataConversion/foamToEnsight/foamToEnsight.C

@@ -169,7 +169,7 @@ int main(int argc, char *argv[])
     // Less frequently used - reduce some clutter
     argList::setAdvanced("decomposeParDict");
 
-    argList::addVerboseOption("Additional verbosity");
+    argList::addVerboseOption();
 
     #include "addAllRegionOptions.H"
 

applications/utilities/postProcessing/dataConversion/foamToVTK/foamToVTK.C

@@ -269,7 +269,7 @@ int main(int argc, char *argv[])
     // Less frequently used - reduce some clutter
     argList::setAdvanced("decomposeParDict");
 
-    argList::addVerboseOption("Additional verbosity");
+    argList::addVerboseOption();
 
     argList::addBoolOption
     (