Merge branch 'master' into dev3.0.5

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@antv/g6",
-  "version": "3.0.5-beta.7",
+  "version": "3.0.5-beta.8",
   "description": "graph visualization frame work",
   "main": "build/g6.js",
   "homepage": "https://github.com/antvis/g6",
@@ -51,7 +51,7 @@
     "connect": "~3.6.6",
     "d3-queue": "~3.0.7",
     "debug": "~3.1.0",
-    "electron": "~2.0.2",
+    "electron": "~6.0.4",
     "eslint": "~3.19.0",
     "eslint-config-airbnb": "~15.0.1",
     "eslint-config-egg": "~4.2.0",

src/global.js

@@ -3,7 +3,7 @@
  */
 
 module.exports = {
-  version: '3.0.5-beta.7',
+  version: '3.0.5-beta.8',
   rootContainerClassName: 'root-container',
   nodeContainerClassName: 'node-container',
   edgeContainerClassName: 'edge-container',