code: private URLConnection setQBlastServiceProperties(URLConnection conn) {
  		conn.setDoOutput(true);
  		conn.setUseCaches(false);
  		conn.setRequestProperty("User-Agent", "Biojava/NCBIQBlastService");
  		conn.setRequestProperty("Connection", "Keep-Alive");
  		conn.setRequestProperty("Content-type", "application/x-www-form-urlencoded");
  		conn.setRequestProperty("Content-length", "200");
  		return conn;
  	}
docs: Sets properties for given URLConnection
  
  @param conn URLConnection to set properties for
  @return given object after setting properties