Update import instructions

Author: jlhonora

README.md

@@ -14,11 +14,17 @@ Install from Maven central:
   <dependency>
     <groupId>com.rollbar</groupId>
      <artifactId>rollbar</artifactId>
-     <version>0.5.0</version>
+     <version>0.1.3</version>
   </dependency>
 </dependencies>
 ```
 
+or
+
+```
+compile 'com.rollbar:rollbar-android:0.1.3'
+```
+
 ### Jar
 
 Download [rollbar-android.jar](https://github.com/rollbar/rollbar-android/releases/latest) and place it in your Android project's `libs` directory.