COMP: various compilation changes

- label-size 64 build, compiler warnings, unused template argument,
  faMatrix::clone() method

STYLE: faScalarMatrix - moved info message to within a debug scope

applications/utilities/parallelProcessing/decomposePar/faMeshDecomposition.C

@@ -551,7 +551,7 @@ void faMeshDecomposition::decomposeMesh()
 
             const label patchStart = patches[patchI].start();
 
-//             if (typeid(patches[patchI]) != typeid(cyclicFaPatch))
+//             if (!isA<cyclicFaPatch>(patches[patchI]))
             if (true)
             {
                 // Normal patch. Add edges to processor where the face