Merge branch '325_header' of https://gitlab.version.fz-juelich.de/jupedsim/jpscore into develop

demos/scenario_10_big_room/inifile_big.xml

demos/scenario_11_sources/inifile.xml

demos/scenario_12_waiting_area/wa_triangle_ini.xml

demos/scenario_13_schedule/schedule_ini.xml

demos/scenario_1_corridor/corridor_ini.xml

demos/scenario_2_bottleneck/bottleneck_ini.xml

demos/scenario_3_corner/corner_ini.xml

demos/scenario_4_stairs/stairs_ini.xml

demos/scenario_5_events/events_ini.xml

demos/scenario_5_ship/bateau_ini.xml

demos/scenario_6_cognitive_map/cogninitive_map_ini.xml

demos/scenario_7_floorfield/ffRouter_ini.xml