Bug 273163 [CSS] Remove dependency on org.apache.commons.logging, xerces, xml.resolver
We shouldn't require this.
bundles/org.eclipse.e4.ui.css.core/src/org/eclipse/e4/ui/css/core/dom/properties/providers/CSSPropertyHandlerLazyProviderImpl.java
public Collection getCSSPropertyHandlers(String property) throws Exception {
		
		
		Map propertyHandlers = getPropertyToHandlersMap();
		Object h = propertyHandlers.get(property);
		if (h != null) {
			
			if (h instanceof List)
				return (List) h;
			return null;
		}
		List handlers = null;
		try {
			String handlerClassName = getHandlerClassName(property);
			for (Iterator iterator = packageNames.iterator(); iterator
					.hasNext();) {
				String packageName = (String) iterator.next();
				ICSSPropertyHandler handler = getCSSPropertyHandler(
						packageName, handlerClassName);
				if (handler != null) {
					if (logger.isDebugEnabled())
						logger.debug("Handle CSS Property=" + property
								+ ", with class=" + packageName + "."
								+ handlerClassName);
					if (handlers == null)
						handlers = new ArrayList();
					handlers.add(handler);
				}
			}
			if (logger.isDebugEnabled()) {