update railway halts - add operator and ref (remove duplicates)

update railway stations/halts on track 020 - add operator and ref (create standalone nodes/remove duplicates)

update railway station - fix uic ref

update railway station - add operator and ref (create standalone node)

update railway station - add operator and ref, remove duplicates

update railway station - add operator and ref (create standalone node)

update railway station - add operator and ref (create standalone node)

update railway station - add operator and ref (create standalone node)

update railway halt - add operator and ref, fix duplicates

update railway station - add operator and ref

remove duplicate relation Ostrava-Svinov

update railway stations/halts on track 310 - add operator and ref (create standalone nodes)

update railway stations/halts on track 310/311 - add operator and ref (create standalone nodes)

update railway stations/halts on track 298 - add operator and ref (create standalone nodes)

update railway stations/halts on track 313 - add operator and ref (create standalone nodes)

update railway stations/halts on track 276 - add operator and ref (create standalone nodes)

update railway stations/halts on track 293 - add operator and ref (create standalone nodes)

update railway stations/halts on track 290 - add operator and ref (create standalone nodes)

remove duplicate railway information

update railway stations/halts on track 292/310 - add operator and ref (create standalone nodes)