Bug 273163 [CSS] Remove dependency on org.apache.commons.logging, xerces, xml.resolver
We shouldn't require this.
bundles/org.eclipse.e4.ui.css.swt/src/org/eclipse/e4/ui/css/swt/properties/css2/CSSPropertyClassificationSWTHandler.java
if (control != null) {
			super.applyCSSProperty(control, property, value, pseudo, engine);
			return true;
		}
		return false;
	}
	public String retrieveCSSProperty(Object element, String property,
			String pseudo, CSSEngine engine) throws Exception {
		Control control = SWTElementHelpers.getControl(element);
		if (control != null) {
			return super.retrieveCSSProperty(control, property, pseudo, engine);
		}
		return null;
	}
	public void applyCSSPropertyCursor(Object element, CSSValue value,
			String pseudo, CSSEngine engine) throws Exception {
		if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
			final Control control = (Control) element;
			Cursor cursor = (Cursor) engine.convert(value, Cursor.class,
					control.getDisplay());
			control.setCursor(cursor);
		}
	}
	public void applyCSSPropertyVisibility(Object element, CSSValue value,
			String pseudo, CSSEngine engine) throws Exception {
		if (value.getCssValueType() == CSSValue.CSS_PRIMITIVE_VALUE) {
			Control control = (Control) element;
			CSSPrimitiveValue primitiveValue = (CSSPrimitiveValue) value;
			String visibility = primitiveValue.getStringValue();
			if ("hidden".equals(visibility))