This update is required to support the new DSB endpoint, and to fix the application on old Android versions.

* Support new endpoint (#81 #82)
* Allow switching between endpoints (#82)
* Support TLS 1.2 on older Android versions (#17 #82)
* Automatically hide all notifications once they are opened
* Allow changing passwords by reauthenticating (#75)
* Prompt to reauthenticate if credentials are denied (#75)
* Display appropriate message if no content is available
* Fix display error in login view (#61)
* Support Android API 14
