bugfix and documentation for umelbourne script

scenarioProcessing/helperData/GTAP10aREGmap.csv

...s/forMelbourne/FloodScenario_Danube_aefall-aggCNT-rel.csv

...arios/forMelbourne/FloodScenario_Danube_aefall-aggCNT.csv

...os/forMelbourne/Flood_Scenario_2010_aefall-aggCNT-rel.csv

...narios/forMelbourne/Flood_Scenario_2010_aefall-aggCNT.csv

... Quake Maximum_Intensity_Damagesv11_aefall-aggCNT-rel.csv

... Mw8 Quake Maximum_Intensity_Damagesv11_aefall-aggCNT.csv

...Mw8 Quake Mean_Intensity_Damagesv11_aefall-aggCNT-rel.csv

...nia Mw8 Quake Mean_Intensity_Damagesv11_aefall-aggCNT.csv

... Quake Minimum_Intensity_Damagesv11_aefall-aggCNT-rel.csv

... Mw8 Quake Minimum_Intensity_Damagesv11_aefall-aggCNT.csv

scenarioProcessing/scenarios/forMelbourne/p21b.csv

scenarioProcessing/scenarios/forMelbourne/r32.csv

scenarioProcessing/uMelbourne.R