Migrate login UI to conductor
Fix batch add controller not saving EditText content onResume
Prevent double-locking of lock UI
Remove back button from lock UI
Fix login preference not updating
* Rewrote Backup
* Save automatic backups with datetime
* Minor improvements
* Remove suggested directories for backup and hardcoded strings. Rename JSON -> Backup
* Bugfix
* Fix tests
* Run restore inside a transaction, use external cache dir for log and other minor changes
* Implement language switching using BaseActivity
* Add requested changes
* Cleanup App.kt Imports and add pref_language_key
* Acutally use @string for key
* Use string resource for language preference title