bug fix for all zero points removal..verified now.
creates shapefile from matsim network xml
creates santiago network from osm
makes polygons(shapefile) for each zone using bus stop locations
create plans from csv(trips) and shapefile(zones)
minor changes in parameters for density calculation
Main changes are to the accelerometer classes.
Fixed typo that caused pom to be unparsable.
stopped writing of unstable flow state data (all zeros).
new playground hbecker
