+= libVehicleCounter, moved Area into it.
BlobTracker now uses Areas.
Track processing function added.

Minor warning elimination
Imported Clipper Library

+= area - car intersection check
Ini file controls which images to show.
min/max Blob area now in ini file
Supporting background polygons.
Added DeletingTrackHandler.

Formatting, main loop state machine added (can be paused).
Removed deletingTrackEvent, tuning cvb::cvUpdateTracks parameters.