ENH: add input surface scaling (issue #514)

- surfaceFeatureExtract
  * dictionary "scale" entry

- triSurface
- triSurfaceLoader
  * optional scaleFactor on reading

- surfaceAdd
- surfaceBooleanFeatures
- surfaceClean
- surfaceCoarsen
  * scale option

- surfaceTransformPoints, transformPoints
  * scale option as scalar or vector quantity

applications/utilities/surface/surfaceRedistributePar/surfaceRedistributePar.C

@@ -105,7 +105,8 @@ int main(int argc, char *argv[])
     argList::addNote
     (
         "Redistribute a triSurface. "
-        "The specified surface must be located in the constant/triSurface directory"
+        "The specified surface must be located in the constant/triSurface "
+        "directory"
     );
 
     argList::validArgs.append("triSurfaceMesh");