Committing incomplete work for parameter file I/O.

MacroMagic.h is central. Guido and I plan to move
over to generating virtual (XML, JSON, YAML, text, binary) encoding
from macro based system.

lib/qcd/action/fermion/WilsonFermion5D.cc

@@ -149,6 +149,7 @@ PARALLEL_FOR_LOOP
     ////////////////////////////
     // spin trace outer product
     ////////////////////////////
+// FIXME : need to sum over fifth direction.
     tmp = TraceIndex<SpinIndex>(outerProduct(Btilde,A)); // ordering here
     PokeIndex<LorentzIndex>(mat,tmp,mu);