FACES-1896: Please consider this enhancement, adding menus to the buttons
FACES-1896: improved the look of the Menu use case on the portal
FACES-1896 Develop alloy:button, alloy:commandButton, and alloy:icon component (added split-menu feature to alloy:button and alloy:commandButton)
FACES-1714 Develop Liferay Faces Showcase (added menu use-case to alloy:button and alloy:commandButton)