Reworked haff hypothesis coverage rating.
Added position rating to Hypothesis.
Fixed calculation of Hypothesis coverage rating.
Adapted doxygen comments in Hypothesis.
Added Haff parameter positionWeight.
Merge pull request #98 from FormSeher/master

Update haff-rating with master
Hopefully resolved crash in Haff.
Hypothesis coverRating does not fall below zero.
Extended tests for Hypothesis::calculateCoverageRating().
Added division by zero prevention in Hypothesis methods.
Extended Hypothesis tests.
Fixed coloring of objects.
Now displaying name and coverage of detected objects.
Merge branch 'master' into haff-rating
Merge branch 'haff-dev' into haff-rating

Conflicts:
	algorithms/include/objectdetection/haff/haff.h
	test/include/objectdetection/haff/hypothesistest.h
Enabled symmetric supperssion in Haff.
Removed trimming of likelyHypothesis in Haff.
Made AlgorithmController::setDatabeseModels() thread safe.
Fixe bug which removed accidentially some of the likelyHypothesis.
Now each AlgorithmControlWidget has it's own status bar.