Bug 219483 [Markers] MarkerField needs to support font and colours
Some users want to be able to set the font and colour of an entry in the markers view. We should pass in a ViewerCell for this.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/MarkerSupportInternalUtilities.java
* @return Image
	 */
	private static Image getIDEImage(String constantName) {
		return JFaceResources.getResources().createImageWithDefault(
				IDEInternalWorkbenchImages.getImageDescriptor(constantName));
	}
	/**
	 * Get the image for the supplied severity
	 * 
	 * @param severity
	 * @return {@link Image}
	 */
	public static Image getSeverityImage(int severity) {
		if (severity == IMarker.SEVERITY_ERROR) {
			return getIDEImage(IDEInternalWorkbenchImages.IMG_OBJS_ERROR_PATH);
		}
		if (severity == IMarker.SEVERITY_WARNING) {
			return getIDEImage(IDEInternalWorkbenchImages.IMG_OBJS_WARNING_PATH);
		}
		if (severity == IMarker.SEVERITY_INFO) {
			return getIDEImage(IDEInternalWorkbenchImages.IMG_OBJS_INFO_PATH);
		}
		return null;
	}
	/**
	 * Get the MarkerFieldFilter associated with the filter in group.
	 * 
	 * @param group
	 * @param area
	 * @return MarkerFieldFilter or <code>null</code>