1.修复录制回放时视频地址的https和http的问题；2.老师的视频区域显示问题，后推的视频排在最前面

@@ -62,7 +62,7 @@ export default class MessageEntrance extends Emiter {
   constructor() {
     super();
     //sdk 信息
-    GlobalConfig.sdkVersion = "v2.15.3.20170929";
+    GlobalConfig.sdkVersion = "v2.15.5.20171001";
     loger.warn("sdkVersion:" + GlobalConfig.sdkVersion);
 
     //设置

@@ -106,6 +106,9 @@ class MediaModule {
     let streamPlayUrl=MediaModule.streams[_param.streamId]
     if(streamPlayUrl){
       loger.log("使用外部的流地址->",streamPlayUrl);
+      streamPlayUrl=streamPlayUrl.replace("http://","");
+      streamPlayUrl=streamPlayUrl.replace("https://","");
+      streamPlayUrl=GlobalConfig.locationProtocol+streamPlayUrl;
       return {"code": ApeConsts.RETURN_SUCCESS, "data": "", "playUrl":streamPlayUrl};
     }
 

@@ -198,7 +198,7 @@ class WebRtcApe extends Emiter {
         //把远程视图添加到老师列表
         loger.log("获取远程视频流成功->userRole:"+userRole+":" + userName + "->" + uid, new Date().getTime());
         let viewDiv = `<div id="${this.xdyRemote + uid}" class="${this.hostWebRtcVideoClass}" style="width:${this.hostRemoteVideoWidth*this.videoScale}px;height:${this.hostRemoteVideoHeight*this.videoScale}px;float: left;margin-right: 1px;pointer-events: none;">${nameDiv}</div>`;
-        $(this.hostRemoteViewId).append(viewDiv);
+        $(this.hostRemoteViewId).prepend(viewDiv);
       } else {
         //把视图添加到学生列表
         loger.log("获取远程视频流成功->学生:" + userName + "->" + uid, new Date().getTime());