working multi user experience

clicki_bunti/src/components/FoorPlan.js

clicki_bunti/src/components/Haspa.js

clicki_bunti/src/components/HaspaPicker.js

clicki_bunti/src/components/SelectionPicker.js

clicki_bunti/src/components/constants.js

conf/hauptbahnhof.json

hauptbahnhof/babel/__init__.py

hauptbahnhof/babel/__main__.py

hauptbahnhof/babel/babel.py

hauptbahnhof/babel/test.py

hauptbahnhof/core/babel/translation.py

hauptbahnhof/core/state.py