FACES-1928 Remove compile-time dependency on portal-service.jar from Liferay Faces Alloy (Moved LiferayPortletUtil.java and LiferayThemeDisplayUtil.java to Util jar and modified them to avoid using reflection. -- BELATED BACKPORT)
FACES-2021 Prepare for OSGi by moving impl classes to "internal" sub-packages in order to clearly distinguish API from implementation