Adding permission info

doc/index.md

@@ -30,17 +30,6 @@ and can't access Cordova APIs.
 
     cordova plugin add org.apache.cordova.inappbrowser
 
-### Firefox OS 
-
-Create __www/manifest.webapp__ as described in 
-[Manifest Docs](https://developer.mozilla.org/en-US/Apps/Developing/Manifest).
-Add relevant permisions.
-
-	"permissions": {
-		"browser": {}
-    }
-    
-
 ## window.open
 
 Opens a URL in a new `InAppBrowser` instance, the current browser

plugin.xml

@@ -165,6 +165,9 @@
         
     <!-- firefoxos -->
     <platform name="firefoxos">
+        <config-file target="config.xml" parent="/*">
+            <permission name="browser" description="Enables the app to implement a browser in an iframe." />
+        </config-file>
         <js-module src="www/inappbrowser.js" name="inappbrowser">
             <clobbers target="window.open" />
         </js-module>