Land cover serialized to binary file.

src/ac/ed/lurg/ModelConfig.java

src/ac/ed/lurg/ModelMain.java

src/ac/ed/lurg/Timestep.java

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

src/ac/ed/lurg/forestry/WoodYieldItem.java

src/ac/ed/lurg/forestry/WoodYieldReader.java

src/ac/ed/lurg/landuse/LandUseBinarySerializer.java