Localization:
 - Translation is now possible using Weblate
 - Translations (partly) available in 10 languages
UI/UX:
 - Replace stop area loading indicator
 - Fix spacing in marker bubble with long names
 - Add gallery viewer for info images
Questions:
 - Add tram signal lights question
 - Add/Replaces crossing questions (about markings, islands, signals)
 - Do not ask for "crossing:whistle" on tram crossings
Miscellaneous:
 - Clarify GPLv3+ license
 - Bug fixes and spelling corrections