Automated calibration. Changed objective to maximise net present value.

GAMS/IntExtOpt.gms

data/halfdeg/crop_calibration.csv

data/halfdeg/crop_fractions.csv

data/halfdeg/rice_multi_crop.csv

data/irrigation_fertiliser.csv

data/net_imports.csv

src/ac/ed/lurg/ModelConfig.java

src/ac/ed/lurg/ModelMain.java

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

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

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

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

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

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

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

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

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

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

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

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