[JAVA] Set CookieSpec in HttpClient 4.3

RequestConfig ignoreCookiesRequestConfig = RequestConfig.custom()
		.setCookieSpec(CookieSpecs.IGNORE_COOKIES).build();

... //Abbreviation

	//Generate HTTPClient
	client = HttpClients.custom() //
			.setDefaultRequestConfig(ignoreCookiesRequestConfig) //
			.setDefaultCredentialsProvider(credentialsProvider) //
			.setConnectionManager(mgr) //
			.build(); //