Fixed bug 3191 - haptic system on android?

Patch provided by jintiao and Milan Nikolic, thanks!

android-project/AndroidManifest.xml

@@ -16,6 +16,8 @@
 
     <!-- Allow writing to external storage -->
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <!-- Allow access to the vibrator -->
+    <uses-permission android:name="android.permission.VIBRATE" />
 
     <!-- if you want to capture audio, uncomment this. -->
     <!-- <uses-permission android:name="android.permission.RECORD_AUDIO" /> -->