* Global Search
* Cards are now independent of design by use of recycler.
* Added local
* Some attribute fixes + moved onclick to controller.
* Lots of improvements to code
* Reversed some stuff. Thanks API 16
* Code fixes
* Performance improvements
* Moved adapter creation to constructor
* Small changes
* Removed sources settings from settings menu. Added OnChangeListener in catalogue. Made setting icon visible if room.
* bug fix
* Code review part uno
* Code review part uno-2
* Single recycler approach
* Add last source used
* Fix scroll state and some layout issues
* Fix wrong item binding
* Use data class for items
* Calculate item position and count while binding
* Fix background color with slices
* Reuse slices. Fix card background. Flatten constraint layout
* Fix global_search scroll issue
* Store last state with global search
* Minor changes
* Remove catalogue toolbar spinner. Persist catalogue across process restarts
* Save view state of recycler views. Set toolbar title with current query
* 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
* Saving to SD working
* Rename imagePath to uri
* Handle android < 21
* Minor changes
* Separate downloader from the manager. Optimize folder lookups
* Persist downloads across restarts
* Fix for #511
* Updated ReactiveNetwork. Add some documentation
* More documentation and minor fixes
* Handle persistent notifications. Other minor changes
* Improve downloader and add documentation
* Rename pageNumber to index in Page class
* Remove unused methods
* Use chop method
* Make sure dest dir is created
* Reset downloads dir preference
* Use invalidate options menu in download fragment and fix wrong condition
* Fix empty download queue after application restart
* Use addAll method in download queue to avoid too many notifications
* Inform download manager changes
