ADDED: Pcbnew, add "pin function" (pin name in eeschema) to pads.

The pin name defined in Eeschema is now available as pad info.
Useful for the board designer (the pin function is displayed in the message panel).
Needed for the Gerber P&P files.

pcbnew/plot_brditems_plotter.cpp

@@ -79,7 +79,14 @@ void BRDITEMS_PLOTTER::PlotPad( D_PAD* aPad, COLOR4D aColor, EDA_DRAW_MODE_T aPl
         gbr_metadata.SetCopper( true );
 
         if( isOnExternalCopperLayer )
-            gbr_metadata.SetPadName( aPad->GetName() );
+        {
+            const bool useUTF8 = false;
+            const bool useQuoting = false;
+            gbr_metadata.SetPadName( aPad->GetName(), useUTF8, useQuoting );
+
+            if( !aPad->GetName().IsEmpty() )
+                gbr_metadata.SetPadPinFunction( aPad->GetPinFunction(), useUTF8, useQuoting );
+        }
 
         gbr_metadata.SetNetName( aPad->GetNetname() );