Fix 2 bugs:
Fix 2 bugs:

1. the umlaut in "Kübler-Ross_model" was causing the URL to be nil
2. Appending component was changing https:// to https:/

julienbodet/wikipedia-ios,josve05a/wikipedia-ios,anirudh24seven/wikipedia-ios,anirudh24seven/wikipedia-ios,julienbodet/wikipedia-ios,montehurd/apps-ios-wikipedia,wikimedia/wikipedia-ios,anirudh24seven/wikipedia-ios,wikimedia/wikipedia-ios,wikimedia/apps-ios-wikipedia,wikimedia/apps-ios-wikipedia,josve05a/wikipedia-ios,wikimedia/apps-ios-wikipedia,wikimedia/wikipedia-ios,wikimedia/wikipedia-ios,montehurd/apps-ios-wikipedia,wikimedia/wikipedia-ios,montehurd/apps-ios-wikipedia,josve05a/wikipedia-ios,montehurd/apps-ios-wikipedia,anirudh24seven/wikipedia-ios,julienbodet/wikipedia-ios,julienbodet/wikipedia-ios,wikimedia/apps-ios-wikipedia,josve05a/wikipedia-ios,anirudh24seven/wikipedia-ios,anirudh24seven/wikipedia-ios,wikimedia/apps-ios-wikipedia,josve05a/wikipedia-ios,josve05a/wikipedia-ios,montehurd/apps-ios-wikipedia,wikimedia/apps-ios-wikipedia,montehurd/apps-ios-wikipedia,julienbodet/wikipedia-ios,montehurd/apps-ios-wikipedia,josve05a/wikipedia-ios,josve05a/wikipedia-ios,wikimedia/wikipedia-ios,wikimedia/apps-ios-wikipedia,montehurd/apps-ios-wikipedia,julienbodet/wikipedia-ios,wikimedia/apps-ios-wikipedia,julienbodet/wikipedia-ios,anirudh24seven/wikipedia-ios,anirudh24seven/wikipedia-ios,wikimedia/wikipedia-ios,julienbodet/wikipedia-ios