tests fixes
Merge remote-tracking branch 'mach/optilab' into master-optilab
optilab improvements
Merge remote-tracking branch 'mach/optilab' into master-optilab

Conflicts:
	resources/python/variant/test_functions/booths_function.py
	resources/python/variant/test_functions/quadratic_function.py
	resources/test/test_suite/optilab/examples/examples.py
	resources/test/test_suite/optilab/model.py
	resources/test/test_suite/optilab/model_dict.py
	resources/test/test_suite/optilab/model_generator.py
	resources/test/test_suite/optilab/optimization/genetic.py
Merge remote-tracking branch 'mach/optilab' into master-optilab
Merge remote-tracking branch 'mach/optilab' into master-optilab

Conflicts:
	resources/python/variant/test_functions/quadratic_function.py
	resources/test/test_suite/optilab/model.py
fixed optilab tests
variant postprocessor test
test functions refractoring
new test added to scenarios