Bug 182661 Cross Tab: Need to support "New Data Cube" from menu bar
Please look at the UI mockup as reference to support "New Data Cube" on dropdown menu from Menu bar.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/DesignerActionBarContributor.java
org.eclipse.gef.ui.actions.ActionBarContributor
{
	static class RegisterActions
	{
		String id, displayName;
		int style;
		public RegisterActions( String id, String displayName )