Rewrite Notification subsystem

In this commit:
 - delete a lot of really bad and / or unused code
 - redesign a much simpler Notification model
 - create and send notifications to the user's inbox on booking start & end
 - migrations
 - emails user when booking is ready and when it ends

Not in this commit:
 - Creating notifications from lab messages
 - warning messages when a booking is about to end
 - creating "summary" notifications when e.g. a booking has been fulfilled by a lab

Change-Id: I69b4dc36c3f2bce76d810106baadeef5a562cc7d
Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>

1 files changed, 17 insertions, 0 deletions

diff --git a/src/templates/notifier/email_fulfilled.txt b/src/templates/notifier/email_fulfilled.txt
new file mode 100644
index 0000000..d473961
--- /dev/null
+++ b/src/templates/notifier/email_fulfilled.txt
@@ -0,0 +1,17 @@
+{{user_name|default:"Developer"}},
+
+The booking you requested of the OPNFV Lab as a Service has finished deploying and is ready for you to use.
+
+The lab that fulfilled your booking request has sent you the following messages:
+    {% for message in messages %}
+        {% message.title %}
+        {% message.content %}
+        --------------------
+    {% endfor %}
+
+You may visit the following link for more information:
+{{booking_url}}
+
+Thank you for contributing to the OPNFV platform!
+
+    - The Lab-as-a-Service team