Relaxed importer checks, new traffic sign (give way), fix crash

...ction/Markdown/Simulation/Development/FrameworkModules.md

OpenPass_Source_Code/openPASS/Common/worldDefinitions.h

...ource_Code/openPASS/CoreFramework/CoreShare/xmlParser.cpp

..._Source_Code/openPASS/CoreFramework/CoreShare/xmlParser.h

...SS/CoreFramework/OpenPassSlave/importer/road/roadSignal.h

.../CoreFramework/OpenPassSlave/importer/sceneryImporter.cpp

...rce_Code/openPASS/CoreModules/World_OSI/OWL/DataTypes.cpp

...ource_Code/openPASS/CoreModules/World_OSI/OWL/DataTypes.h

.../openPASS/CoreModules/World_OSI/OWL/OpenDriveTypeMapper.h

...penPASS/CoreModules/World_OSI/OWL/fakes/fakeTrafficSign.h

..._Code/openPASS/CoreModules/World_OSI/SceneryConverter.cpp

...e/openPASS/Interfaces/roadInterface/roadSignalInterface.h

OpenPass_Test/fakes/gmock/fakeRoadSignal.h

..._Test/unitTests/CoreModules/World_OSI/datatypes_Tests.cpp