Salzburg: added residential area

Salzburg: changed the start_date for traffic_signals

Salzburg: Corrections to the chronology-relation of Salzburg

Salzburg: tried adding a chronology-relation

Salzburg: various corrections for start_date

Salzburg: various minor corrections

Salzburg: Changed Salzach and added old townnames

Salzburg: added oldest monastery Stift Sankt Peter and the oldest restaurant in europe "Sankt Peter Stiftskeller"

Salzburg: corrected date at michaelskirche

Salzburg: added Michaelskirche, the oldest church in Salzburg

Salzburg: corrected way and date-problem

Salzburg: corrected way and date-problem

Salzburg: minor corrections for the time

Salzburg: various corrections for the time

Salzburg: minor corrections for the time

Salzburg: various additions due to the wiki

Salzburg: Added the sebastianifriedhof

Salzburg: Corrected kapuzinerkloster and franziskischlössl

Salzburg: Corrected city-mountains and added kapuzinerkloster, franziskischlössl

Salzburg: Added City-Mountains and detailed the roman highways according to DARE