MBug/StackView: left-slider now uses CSS animations when sliding.
MBug/StackView: left-slider now uses CSS animations when sliding.

shepheb/foam,mdittmer/foam,jacksonic/foam,foam-framework/foam,jlhughes/foam,jacksonic/foam,jacksonic/foam,foam-framework/foam,shepheb/foam,osric-the-knight/foam,foam-framework/foam,shepheb/foam,osric-the-knight/foam,osric-the-knight/foam,mdittmer/foam,jlhughes/foam,jacksonic/foam,jlhughes/foam,mdittmer/foam,osric-the-knight/foam,mdittmer/foam,foam-framework/foam,jlhughes/foam,foam-framework/foam