*修改nghttp2对于控制帧（set ping等）自动回复数据，造成原服务数据冗余发送goaway帧

*修改下发替换规则后，csdn页面数据图片无法显示问题
（原因：由于数据Header，在不同流中，且不同流中存在多个流id）
*修改模拟C对推送承诺帧drop处理，造成当前流中数据丢失
*修改页面访问新浪sinaere.js失败
*修改流id数据未及时释放造成页面刷新延缓

plugin/protocol/http2/src/http2_plugin.cpp

@@ -128,7 +128,6 @@ http2_stream_data(const struct tfe_stream * stream, unsigned int thread_id,
 	struct stream_tap_info_t *tapinfo = (struct stream_tap_info_t *)(*pme);
 
 	if (tapinfo->preempted == 0){
-
 		if (dir == CONN_DIR_UPSTREAM){
 			if (len < SET_FRAME_LENGTH){
 				defer_bytes = SET_FRAME_LENGTH;
@@ -146,7 +145,6 @@ http2_stream_data(const struct tfe_stream * stream, unsigned int thread_id,
 				goto finish;
 			}
 		}
-
 		if (dir == CONN_DIR_DOWNSTREAM){
 			/* Protocol Identification, we need 24 bytes at least to tell it is HTTP2 or not */
 			if (len < MAGIC_FRAME_LENGTH){