Change minimize.md to closure.md in css directory
Add contact formular for sending messages to the backend
Change zoom / open mapsearch for gazetteer tool
Update placeholder for gazetteer search
Add MinimizeMesstischblattView to MapSearch
Clear SpatialSearch and fix GazetteerSearch
Highlight effect if new messtischblaetter are selected
Introduce add and delete layer button
Modify proxy script for auth-request handling
Remove console statements from Mediator.js
Remove unused files