[Suggestion] Rebalance of trade values for metal coin, bar and ores. (#…

…171)

* Rebalance of trade values for metal coin, bar and ores. 
changes:
ore value 1 -> 2
bar value 111 -> 20
coin value 29 -> 30
trader price = bar value*2

* Change metal values to make statues and statuettes the right value compared to wood and stone.

* Trade prices, stone adjustment.

* New tradeprices

* Set hasQuality on statues and jewelry items