Tidy financial speculation shock. Adjustment to read in tradebarriers file

data/tradeBarriers.csv

src/ac/ed/lurg/InternationalMarket.java

src/ac/ed/lurg/ModelConfig.java

src/ac/ed/lurg/country/CountryAgent.java

src/ac/ed/lurg/country/GlobalPrice.java

src/ac/ed/lurg/country/TradeManager.java

src/ac/ed/lurg/demand/AbstractDemandManager.java

src/ac/ed/lurg/demand/DemandCurve.java