show selected instant filters always
improve remove instant filter behaviour (do net remove when sliding)
parallel processes reading file tag uses too much heap space
Revert "scrolling tracks alway takes next, reandom should be triggered only if random button pushed. next/prev makes not much sense, better invent a history prev/next. old school repeat removed, never used this shit"

This reverts commit efc8494dab1212cb794eccc2e90dec2fc7bb635c.

Conflicts:

	src/turtle/player/Player.java
	src/turtle/player/playlist/Playlist.java
	src/turtle/player/playlist/playorder/PlayOrderRandom.java
	src/turtle/player/view/AlbumArt.java
	src/turtle/player/view/AlbumArtView.java
only handle the last async albumart reload, UI should be faster and more stable by changing tracks fast
still try to display skipped tracks on async next
Revert "Revert "scrolling tracks alway takes next, reandom should be triggered only if random button pushed. next/prev makes not much sense, better invent a history prev/next. old school repeat removed, never used this shit""

This reverts commit d51a181210d70076542780540f61e94cd022672d.