Pre-release 3.0.0-beta.2

Added

• moonstone/Panels.Header prop hideLine to hide the bottom separator line
• moonstone/Panels.Header type "dense" for "AlwaysViewing" Panels types

Fixed

• moonstone/Dropdown button to not animate
• moonstone/FormCheckboxItem so it doesn't change size between normal and large text mode
• moonstone/Heading to have a bit more space between the text and the line, when the line is present
• moonstone/LabeledItem to pass marqueeOn prop to its contents
• moonstone/Panels.Header to use the latest designs with better spacing between the titles below
• moonstone/Picker accessibility read out when a button becomes disabled
• moonstone/ProgressBar, moonstone/Slider, and moonstone/IncrementSlider to use the latest set of design colors
• moonstone/RadioItem to have a much prettier dot in dark and light skins
• moonstone/Spinner to use the latest designs
• moonstone/Tooltip layer order so it doesn't interfere with other positioned elements, like ContextualPopup
• moonstone/VirtualList.VirtualGridList and moonstone/VirtualList.VirtualList to properly respond to 5way directional key presses
• ui/ProgressBar public class name bar to support customizing the background of the bar
• webos/LS2Request to return an error for a null response from a service