use BBox object instead of single values
for areas larger than 500km^2 our B-Tree is better so make it default in OSMReader
select the lower level node when saving an edge. fixes #30
minor fix: adding ferry tag for all vehicles when no special vehicle is explicitely supported
add error to response instead of throwing exception (misleading for server side)
fixing small but major bug for AStar: getMinWeight had a different unit as getWeight
moved getGraph to graph
made all tests working on windows
added measurement script to automatically compare algorithm, preparation, ... of different versions
disable lazy updates
new measurement script with git loop; removed performance test in routingSpecialAreaTest/OSMReader
distance calculation (plane projection): only a big difference for longitudes make it inexact
moved priocalc into lazyUpdate; created spatialUpdate
removing lazy and spatial update -> no benefits
minor script update
merged master