Update ordermatch to fix 5.0 and fix error to cancel orders

[ruschoni02]

• Update ordermatch parser to use fix protocol 5.0
• Fix the problem of canceling an order, because the parser doesn't get OrigClOrdID
• Improve makefile to run server and client easily
• Change print to ASKS and add truncate/scale to 8 decimals, it's more common in the market