HTMLUnit fix for proxy bypass

htmlunit proxy bypass fix

private static void setProxy(final HttpClient httpClient, final WebRequest webRequest) {
        if (webRequest.getProxyHost() != null) {
            final String proxyHost = webRequest.getProxyHost();
            final int proxyPort = webRequest.getProxyPort();
            final HttpHost proxy = new HttpHost(proxyHost, proxyPort);
            if (webRequest.isSocksProxy()) {
                final SocksSocketFactory factory = (SocksSocketFactory)
                    httpClient.getConnectionManager().getSchemeRegistry().getScheme("http").getSocketFactory();
                factory.setSocksProxy(proxy);
            }
            else {
                httpClient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);
            }
        }
        else {
			httpClient.getParams().removeParameter(ConnRoutePNames.DEFAULT_PROXY);
		}
    }