Allow Backups of fdroid

AndroidManifest.xml

@@ -29,6 +29,7 @@
         android:name="FDroidApp"
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
+        android:allowBackup="true"
         android:supportsRtl="false" >
         <activity
             android:name="FDroid"