* Add hooks to ApplicationLibrary for loading DLC/updates
* Trigger DLC/update load on games refresh
* Initial moving of DLC/updates to UI.Common
* Use new models in ApplicationLibrary
* Make dlc/updates records; use ApplicationLibrary for loading logic
* Fix a bug with DLC window; rework some logic
* Auto-load bundled DLC on startup
* Autoload DLC
* Add setting for autoloading dlc/updates
* Remove dead code; bind to AppLibrary apps directly in mainwindow
* Stub out bulk dlc menu item
* Add localization; stub out bulk load updates
* Set autoload dirs explicitly
* Begin extracting updates to match DLC refactors
* Add title update autoloading
* Reduce size of settings sections
* Better cache lookup for apps
* Dont reload entire library on game version change
* Remove ApplicationAdded event; always enumerate nsp when autoloading
