Merge pull request #877 from LcTerry/master

更新JPush 470，升级版本号为2.9.1

Author: LcTerry

android/libs/jpush-android-4.6.0.jar

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "jcore-react-native": "1.9.5",
-    "jpush-react-native": "2.9.0",
+    "jpush-react-native": "2.9.1",
     "react": "16.8.6",
     "react-native": "0.60.5",
     "update": "^0.7.4"

android/libs/jpush-android-4.7.0.jar

@@ -6,7 +6,7 @@
   "types": "index.d.ts",
   "license": "ISC",
   "author": "wicked.tc130",
-  "version": "2.9.0",
+  "version": "2.9.1",
   "repository": {
     "type": "git",
     "url": "https://github.com/jpush/jpush-react-native"