Performed following steps:
1. Applied "copy_scenario_filename_into_scenario.py" to "TestPsychology"
2. Opened all scenario files "TestPsychology" in Vadere to enforce pretty printing in scenario files
3. Moved three "Threat" scenarios from folder "Perception" to "CognitionAndBehavior"

Update python traci wrapper

See merge request !114

Allowed different free flow speed means in CellularAutomatonSetupCheck.java

Watch out: The color settings are stored in "model.config",
but are NOT used during rendering at the moment!

Add argparser argument

Closes #296

See merge request !112

This allows to set the path to a project file which should be opened.
If not given (default= "") use the last opened project.

In "TopographyController.applyAttributesFromAgentWrapper()", copy all attributes to newly created pedestrian

Set "selfCategory" : "TARGET_ORIENTED" instead of "selfCategory" : null.

Assigned unique ids for scenario elements in failing scenarios of "TestOSM", "TestGroup", "TestPsychology" to avoid assertion errors in the future

Opened each scenario file with GUI (which assigns unique id by using "TopographyBuilder".

Fixed bug in "ThreatCognitionModel" when searching closest pedestrian and fixed bug in "UpdateSchemeEventDriven"

Also added a test scenario to test the fixed "TopographyController".