Adapting the Tracker

~ Changing it to use label as points instead of polygons
Checkedout and edited Label

~ changed setLabel to addLabel, now requiring a Label in input
+ Added todo tags for doxygen
Changes from Polygon to Point tracking

~ Fixed Label
~ Changed from polygon tracking to point tracking per-label
Merge branch 'labelTracking'

Conflicts:
	src/IStuff/object.cpp
	src/IStuff/object.h