added tags to church part

added building outline from medieval map

edit south moat/tower/city wall

edited tags/dates cathedral /city wall / towers

edited dates and tags on cathedral - fixed place

testing different relation system

added missing canal part

edit river/canal dates

fix river relation

updated river/canal

improved relation/date for canal/river

removing start date from outlines, removed whole building relation

removing start date from main relation

multipolygon test

small fixes and added tower type

mise à jour des formats des dates des bâtiments et remparts

test dates/relation cathédrale St Pierre

test dates/relation cathédrale St Pierre

test dates/relation cathédrale St Pierre

added basic city point for easy search