Script: Add app in script parameters.

src/Scripts/AScript.py

@@ -22,9 +22,10 @@ class AScript(object):
     name = ""
     description = ""
 
-    def __init__(self, conf, args):
+    def __init__(self, app, conf, args):
         super(AScript, self).__init__()
 
+        self._app = app
         self._conf = conf
         self._args = args.copy()