Calibrations and fixes.

GAMS/IntExtOpt.gms

src/ac/ed/lurg/InternationalMarket.java

src/ac/ed/lurg/ModelConfig.java

src/ac/ed/lurg/ModelMain.java

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

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

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

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

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

src/ac/ed/lurg/country/crafty/CraftyCountryAgent.java

src/ac/ed/lurg/country/crafty/CraftyProdManager.java

src/ac/ed/lurg/country/gams/GamsCountryInput.java

src/ac/ed/lurg/country/gams/GamsLocationOptimiser.java

src/ac/ed/lurg/country/gams/GamsLocationOutput.java

src/ac/ed/lurg/country/gams/GamsRasterOptimiser.java

src/ac/ed/lurg/country/gams/GamsRasterOutput.java

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

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

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

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