update SAMSHub.menu to pass tests in test_sams_hub.py and fix #29

make use of the new structure of SAMSHub_apps and _appList

sams_classes/sams_hub.py

@@ -77,11 +77,12 @@ class SAMSHub:
   
   def menu(self, langCode):
     menu = []
-    for app in self._appList:
-      if self._config.get('main_app') == app.name:
-        menu.extend(app.menu(langCode = langCode))
+    for appDict in self._appList:
+      if self._config.get('main_app') == appDict['app'].name:
+        menu.extend(appDict['app'].menu(langCode = langCode))
       else:
-        menu.extend(app.menu(langCode = langCode, urlPrefix = app.name))
+        menu.extend(appDict['app'].menu(langCode = langCode,
+          urlPrefix = appDict['urlPrefix']))
     return menu
   
   @staticmethod