Fix crash on dashboard i18n

apps/_dashboard/__init__.py

@@ -567,7 +567,10 @@ def gitshow(project, commit):
 @action.uses(Logged(session), "translations.html")
 def translations(name):
     """returns a json with all translations for all languages"""
-    t = Translator(os.path.join(FOLDER, name, "translations"))
+    folder = os.path.join(FOLDER, name, "translations")
+    if not os.path.exists(folder):
+        os.makedirs(folder)
+    t = Translator(folder)
     return t.languages
 
 

docs/chapter-06.rst

@@ -281,8 +281,17 @@ Now try create a file called ``translations/it.json`` which contains:
 Set your browser preference to Italian: now the messages will be
 automatically translated to Italian.
 
-Notice there is UI for creating, updating, and updating translation files.
-The UI is accessing via a button from the Dashboard.
+Notice there is an UI in the Dashboard for creating, updating, and updating translation files. 
+It can be easily reached via the button ``i18n+p11n``:
+
+.. image:: images/dashboard_i18n_btn.png
+
+that leads to the following interface:
+
+.. image:: images/dashboard_i18n_ui.png
+
+More details can be found here: https://github.com/web2py/pluralize 
+
 
 If you want to force an action to use language defined somewhere else, for example from a session variable, you can do: