Fixed objectdetectoinalgorithm.cpp (namespace, header).
Added new classes to algorithms.pro.
Made Line getters const.
Line now uses Vec2i instead of Vec2d.
Merge branch 'line-refactoring'
Removed unused parameter warning from ObjectGraph.
Implemented the Object class.
Merge branch 'master' into haff-dev

Conflicts:
	algorithms/include/line.h
Some minor fixes to HAFF-structure.