Minor updates:
- updated WorldWind libraries for better performance
- fixed minor bug in aggregation functions for spatio-temporal output datastores
- fixed bug in TemporalSumAggregator (month filters)
- Added MODIS ET reader components that allow to use MODIS global terrestrial evapotranspiration data for hydrological modelling
- updated Netbeans projects, build scripts and starter scripts
- improved installer with Java version check