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
* @param packageName
	 * @param handlerClassName
	 * @return
	 * @throws Exception
	 */
	protected ICSSPropertyHandler getCSSPropertyHandler(String packageName,
			String handlerClassName) throws Exception {
		String handlerClass = packageName + "." + handlerClassName;
		try {
			Class clazz = this.getClass().getClassLoader().loadClass(
					handlerClass);
			Object instance = clazz.newInstance();
			if (!(instance instanceof ICSSPropertyHandler)) {
				throw new UnsupportedClassCSSPropertyException(clazz);
			}
			return (ICSSPropertyHandler) clazz.newInstance();
		} catch (ClassNotFoundException e) {
		}
		return null;
	}
	/**
	 * Return the handler class name corresponding to the property label given
	 * as argument A Property Handler Class Name is CSSPropertyXXXHandler (like
	 * CSSPropertyBorderTopColorHandler)
	 * 
	 * @param property
	 * @return
	 */
	protected String getHandlerClassName(String property) {
		String handlerClassName = "CSSProperty";