修改项目名称，修复mapv和echart是图层问题

Author: shanligang

README.md

@@ -8,7 +8,7 @@ SuperMap iClient for JavaScript 是一套由 JavaScript 语言编写的 GIS 客
 ## 简介
 * 官网：[http://iclient.supermap.io](http://iclient.supermap.io)
 
-* 源码：[https://github.com/SuperMap/iClient9](https://github.com/SuperMap/iClient9)
+* 源码：[https://github.com/SuperMap/iClient9-JavaScript](https://github.com/SuperMap/iClient9-JavaScript)
 
 ## 许可
 [ Apache License 2.0 ](./LICENSE)

src/leaflet/overlay/EChartsLayer.js

@@ -147,9 +147,6 @@ export var EchartsLayer = L.Layer.extend({
     },
 
     onRemove: function (map) {
-        for (var i in this._layers) {
-          map.removeLayer(this._layers[i]);
-        }
         // 销毁echarts实例
         this._ec.dispose();
     },

src/leaflet/overlay/MapVLayer.js

@@ -51,13 +51,13 @@ export var MapVLayer = L.Layer.extend({
         this.fire("loaded");
     },
 
-    _hide: function () {
-        this.canvas.style.display = 'none';
-    },
+    // _hide: function () {
+    //     this.canvas.style.display = 'none';
+    // },
 
-    _show: function () {
-        this.canvas.style.display = 'block';
-    },
+    // _show: function () {
+    //     this.canvas.style.display = 'block';
+    // },
 
     /**
      * @private

src/leaflet/overlay/mapv/MapVRenderer.js

@@ -33,9 +33,6 @@ export default class MapVRenderer extends BaseLayer {
         this._moveStartEvent = this.moveStartEvent.bind(this);
         this._moveEndEvent = this.moveEndEvent.bind(this);
         this._zoomstart = this.zoomStartEvent.bind(this);
-        this.map.on('movestart', this._moveStartEvent);
-        this.map.on('moveend', this._moveEndEvent);
-        this.map.on('zoomstart', this._zoomstart);
         this.bindEvent();
     }
 
@@ -75,9 +72,9 @@ export default class MapVRenderer extends BaseLayer {
                 map.on('mousemove', this.mousemoveEvent);
             }
         }
-        this.map.off('movestart', this._moveStartEvent);
-        this.map.off('moveend', this._moveEndEvent);
-        this.map.off('zoomstart', this._zoomStartEvent);
+        this.map.on('movestart', this._moveStartEvent);
+        this.map.on('moveend', this._moveEndEvent);
+        this.map.on('zoomstart', this._zoomstart);
     }
 
     /**
@@ -96,6 +93,9 @@ export default class MapVRenderer extends BaseLayer {
                 map.off('mousemove', this.mousemoveEvent);
             }
         }
+        this.map.off('movestart', this._moveStartEvent);
+        this.map.off('moveend', this._moveEndEvent);
+        this.map.off('zoomstart', this._zoomStartEvent);
     }
 
     /**