Add more experimental code

This code can be enabled for local testing by uncommenting and running it in place of the current code. This is the first of  few commits with  similar theme

DATabase/Import.cs

@@ -417,6 +417,11 @@ namespace SabreTools
 
 					// Try to add the rom with the game information
 					AddRom(rom, gameid, date, dbc);
+
+					/*
+					// Try to add the romdata
+					AddHash(rom, sysid, srcid, date, dbc);
+					*/
 				}
 			}