ENH: type aliases for common GeometricField forms (#2348)

ENH: provide fieldTypes::surface names (as per fieldTypes::volume)

ENH: reduce number of files for surface fields

- combine face and point field declarations/definitions,
  simplify typeName definitions

applications/test/surfaceMeshConvert/Test-surfaceMeshConvert.C

@@ -62,7 +62,6 @@ Note
 #include "triSurface.H"
 #include "surfMesh.H"
 #include "surfFields.H"
-#include "surfPointFields.H"
 
 #include "MeshedSurfaces.H"
 #include "ModifiableMeshedSurface.H"