This adds helpful email notifications for users who just logged into a
Zulip server, as a security protection against accounts being hacked.
Text tweaked by tabbott.
Fixes#2182.
- To avoid redefining migrate manage command is added new application
configuration class which emit post_migration signal. This signal
require models module inside application and defined AppConfig
Instance as signal sender. Documentation here:
https://docs.djangoproject.com/en/1.8/ref/signals/#post-migrate.
- Add AppConf subclass to __init__ zerver app file to make apllication
load it by default.
Fixes#1084.
rht
Tim Abbott
hollywoodno
K.Kanakhin