Core: Padding instead of margin top/bottom for the heading ensures the toolbar gets height.
Select: Custom select menu border styling.
Dialog: Border styling of toolbars in dialogs.
Popup: Border styling of toolbars in popups. Consistent with dialogs.
Dialog: Close button inherits theme from header. Removed icon shadow (consistent with other generated buttons; class ui-shadow-icon can be added to a container).
Page: Fixed removal of overlay theme class.
Dialog: The dialog-page doesn't need the overlay theme class. We add that class to the container and hide the dialog-page background.
Select: Fixed custom select style issues.
Select: Active style for option that is selected.
Select: Fixed a custom multiple select count bubble padding issue.