implement incremental NN query for R-tree
add typedef for an array of phantom node vectors
use incremental NN query for distance table generation
add incremental query to Facades
remove debug output
remove dead code
use incremental NN query for Nearest plugin
remove debug output
link -lrt to osrm-prepare
properly cast from int to bool
streamline PBF parsing code
remove non-existing dependency
remove dead code, produce empty route when origin and destination are the same
remove remaining NULL pointers by nullptrs
Remove unused test method
Remove unused polyline method
Fix printInt when value=INT_MIN (was overflowing)
Display warning when routing without street names.

Indeed, street names are optional for routing.
Remove duplicated point in polyline encoded data

First point was outputted twice.
Add test case.