More progress on Skånetrafiken and fixes

Contiune work on skånetrafiken, fix database issue when reinstalling app without database and fix issue with night-traffic and Västtrafik-API.
Fix database properly..
Initial Skånetrafiken support, some refactoring of helper functions in parser
Add translations for Skånetrafiken
Fix åäö for SL and Skåne, increment version number

Fixes searching for stops that contain åäö in SL and Skånetrafiken.
Add more line-types to skånetrafiken
Update settingspage
Fix some translations
Update readme, cleanup repo