📝 Adjusting package linking to the new android initialization

Author: alyezz

CHANGELOG.md

@@ -1,3 +1,8 @@
+## v8.6.4 (2019-09-12)
+
+**If you are on React Native pre 0.60, please follow the steps [here](https://github.com/Instabug/Instabug-React-Native/blob/master/README.md#updating-to-version-864)**
+* Fixes an issue on Android that would result in a build error with the message `null is not an object (evaluating u.invocationEventNone)`
+
 ## v8.6.3 (2019-08-29)
 
 * **⚠️ If you are using Android, please make sure to follow the migration guide [here](https://github.com/Instabug/Instabug-React-Native/blob/master/README.md#updating-to-version-863)**

README.md

@@ -150,9 +150,9 @@ npm install instabug-reactnative
 react-native add-instabug
 ```
 
-### Updating to version 8.6.3
+### Updating to version 8.6.4
 
-Starting 8.6.3, starting the SDK on Android can now be done from the JS side and no longer requires the integration code inside Android's `MainApplication.java`.
+Starting the SDK on Android can now be done from the JS side and no longer requires the integration code inside Android's `MainApplication.java`.
 
 1) Remove the android integration code from your `MainApplication.java`, it should look something like this:
 
@@ -162,7 +162,9 @@ new RNInstabugReactnativePackage.Builder("YOUR_APP_TOKEN", MainApplication.this)
                             .build();
 ```
 
-2. Then initialize it in the `constructor` or `componentWillMount`. This line will let the Instabug SDK work with the default behavior. The SDK will be invoked when the device is shaken. You can customize this behavior through the APIs.
+2. If you are on React Native < 0.60, unlink instabug using `react-native unlink instabug-reactnative` then link again using `react-native link instabug-reactnative`.
+
+3. Then initialize it in the `constructor` or `componentWillMount`. This line will let the Instabug SDK work with the default behavior. The SDK will be invoked when the device is shaken. You can customize this behavior through the APIs.
 
 ```javascript
 Instabug.start('APP_TOKEN', [Instabug.invocationEvent.shake]);

package.json

@@ -28,7 +28,7 @@
       "preunlink": "node node_modules/instabug-reactnative/unlink_bridge.js"
     },
     "android": {
-      "packageInstance": "\t\tnew RNInstabugReactnativePackage.Builder(\"YOUR_ANDROID_APPLICATION_TOKEN\",MainApplication.this)\n\t\t\t\t\t\t\t.setInvocationEvent(\"shake\")\n\t\t\t\t\t\t\t.setPrimaryColor(\"#1D82DC\")\n\t\t\t\t\t\t\t.setFloatingEdge(\"left\")\n\t\t\t\t\t\t\t.setFloatingButtonOffsetFromTop(250)\n\t\t\t\t\t\t\t.build()"
+      "packageInstance": "\t\tnew RNInstabugReactnativePackage()"
     }
   },
   "devDependencies": {