Bug in two flav pseudofermion corrected to reimport gauge field upon rejection.

exp(-DeltaH) = 1 now, and plaquette is sensible. Will reproduce an old Wilson Gauge
Wilson Fermion SCRI plaquette with precision in mass matching shortly.

lib/qcd/action/pseudofermion/TwoFlavour.h

@@ -144,6 +144,7 @@ namespace Grid{
 
 	gaussian(pRNG,eta);
 
+	FermOp.ImportGauge(U);
 	FermOp.Mdag(eta,Phi);
 
 	Phi=Phi*scale;