Tusky v11.0

- Notifications about new follow requests when your account is locked
- New features that can be toggled on the Preferences screen:
   - disable swiping between tabs
   - show a confirmation dialog before boosting a toot
   - show link previews in timelines
- Conversations can now be muted
- Poll results will now be calculated based on the number of voters and not on the number of total votes which makes multichoice polls easier to understand
- A lot of bugfixes, most of them related to composing toots
- Improved translations
