* Qt: fix layout of "experimental build warning" for dpi scaling
and remove compiler warning in welcome_dialog.ui
* Qt: smoothen gamelist/-grid scrolling by setting singlestep value
and fix missing scroll and deselect on gamegrid
* Qt: show all bootable categories in gamegrid
* Grid layout
* Add Tiny Mode
fix scrolling
fix maxGamesPerRow calculation
* prime empty toolbar
* Add Search Bar, Icon Size and List Mode to ToolBar
Fix some minor glitches
* fix toolbar save and adjust default margin
* fix toolbar regression
minor simplification in Refresh
* Implement search and rename PopulateUI to PopulateGameList
* minor refactoring hehehehehehe
* Fix crash
* refresh speedboost optimizations
* Small refactoring of refresh to have default argument of false.
* add icons to toolbar
* fix scrambed order
* search for serial as well
* Grid layout
* Add Tiny Mode
fix scrolling
fix maxGamesPerRow calculation
* prime empty toolbar
* Add Search Bar, Icon Size and List Mode to ToolBar
Fix some minor glitches
* fix toolbar save and adjust default margin