New package structure for the version 2 of the public api.

Start building up the validators required for post notificaiton.
The app/v2/errors.py is a rough sketch, will be passed a code, the error can look up the message and link for the error message.

app/notifications/process_notifications.py

@@ -0,0 +1,14 @@
+def persist_notification():
+    '''
+    persist the notification
+    :return:
+    '''
+    pass
+
+
+def send_notificaiton_to_queue():
+    '''
+    send the notification to the queue
+    :return:
+    '''
+    pass