Fix backnavigation

[Draculente]

Fix backnavigation in settings menu. When navigating to settings -> statistics -> settings and then using the browsers go back feature one is brought back to the statistics page instead of the home screen.

Fix backnavigation in reader. When using the browsers back navigation in the article reader one gets navigated to the last article instead of the reading list.

Fix back navigation on reading list. It should return to the home screen, not the last article.