map.html and map.js : code clean and comment
videbligo.js : delete map_mapping Array
berlin_map.svg : resize
berlin_map.svg : added for district Berlin
map.js : inhance Perfomance
Merge branch 'feature/map_widget' of https://github.com/nbi-opendata/videbligo into feature/map_widget
<this commit is for pull>
berlin_map.svg : corrected some district, bur that is old version
map.js : inhance Perfomance, bur that is old version too.
map.html : added to test for popup
map.js : no changed
popup.html, popup.js : test modul for popup
index.html : include popup.js