modify insertion to incorporate open-routes
modify reader/writer to deal with open routes and add examples
add Examples and testTemplate for open-routes
add bicycle-messenger-example
add zoom to plotter, i.e. add plotter.setBoundaryBox(...)
hide set/getCoordinates in Start/End activity
add tests verifying open-routes
finalize test with open-routes
Merge branch 'open-vehicle-routes'
add javadoc to vehicle.builder
delete import not used
Merge branch 'master' into constraints
deprecate .addProblemConstraint(...)