ENH: change wordRes to be a List of wordRe instead of a wrapper (issue #259)

- this permits direct storage of a list with additional matcher
  capabilities

- provide wordRes::matcher class for similar behaviour as previously

applications/utilities/mesh/advanced/refineWallLayer/refineWallLayer.C

@@ -81,12 +81,11 @@ int main(int argc, char *argv[])
     const word oldInstance = mesh.pointsInstance();
 
     // Find set of patches from the list of regular expressions provided
-    const wordReList patches((IStringStream(args[1])()));
-    const labelHashSet patchSet(mesh.boundaryMesh().patchSet(patches));
-
+    const wordRes patches(args.readList<wordRe>(1));
     const scalar weight  = args.read<scalar>(2);
     const bool overwrite = args.found("overwrite");
 
+    const labelHashSet patchSet(mesh.boundaryMesh().patchSet(patches));
     if (!patchSet.size())
     {
         FatalErrorInFunction