Added Sensor GraphicsElement into view.
Changed Model params to be more accurate.
Change range of spinbox in main gui allowing to get up to 100FPS.
Object manager creates sensors on every crossroad.
Added new type of snapshot to SnapshotVisitor interface.
Added Sensor object and its implementation with visiting and couting saw objects.

Changed speed range of cars in changing street case.
Used SnapshotVisitor in view to draw different types of objects.
Added SensorSnapshot type and its implementation.
Added SensorObserver type.

Added visiting of SensorSnapshot into CarObserver.
Changed rendering of car to use CarSnapshot reference instead of SnapshotPtr.
World is now providing objects snapshots to sensor observer.
Added possibilty of converting Physics::Position to Physics::GeoCoords.
Added new module (View::Sesnsor) to buildsystem.