A whole host of changes to start supporting more unified approach to uniqueness

Lots of refactoring still to be done in the codebase, and currently TRANSFER
method does not work - the daemon does not send the real output for some reason.
Lots still to do - please be patient.
This code is NOT ready for use. Or testing. Or anything else.

src/cryptonote_core/tx_pool.cpp

@@ -284,6 +284,7 @@ namespace cryptonote
         memset(meta.padding, 0, sizeof(meta.padding));
 
         //SRCG - need to work out how to populate this
+        meta.tx_type = (uint8_t)(tx.type);
         meta.return_address = tx.return_address;
         meta.amount_burnt = tx.amount_burnt;
         meta.amount_slippage_limit = tx.amount_slippage_limit;