Pre-release 2.0.0-beta.4

Added

• core/handle.handle utility bindAs to facilitate debugging and binding handlers to component instances
• moonstone/Button and moonstone/IconButton class name small to the list of allowed css overrides
• moonstone/ProgressBar prop highlighted for when the UX needs to call special attention to a progress bar

Fixed

• moonstone/ContextualPopupDecorator to not set focus to activator when closing if focus was set elsewhere
• moonstone/IconButton to allow external customization of vertical alignment of its Icon by setting line-height
• moonstone/Marquee.MarqueeController to not cancel valid animations
• moonstone/VideoPlayer feedback and feedback icon to hide properly on play/pause/fast forward/rewind
• moonstone/VideoPlayer to correctly focus to default media controls component
• moonstone/VideoPlayer to show controls on mount and when playing next preload video
• moonstone/VirtualList, moonstone/VirtualGridList, ui/VirtualList, and ui/VirtualGridList samples to show items properly when dataSize is greater than 1000
• spotlight/Spottable to not make components spottable when spotlightDisabled is set
• ui/Touchable to guard against null events