[mapping] added a first interface to plot polygons on top of maps
[polygon] added polygon.py
[mapping] added functionality to plot polygons on top of maps
minor
[data] added initial binary data reader
[data] implemented test for int16 binary data
[data] binary subset reader
[data] binary subset reader
[data] implemented test for binary subset for int16 data
[data] implemented subsetting for binary data now also fully for Data object
[data] implemented further test for int16 binary data
[data] added binary data support for int32
[region] added additional functionality for regional analysis
[ipcc.reg] added
[data] implemented function to calculate distance to a given coordinate
[geostatistic] added new geostatistic module
[geostatistic] implemented position finder for center location