* cache function result in local variables
* Update the logic of generating notification date header
Change-Id: I04c3ed853076f17c819da8f27bfdb169e99b2a3a
The special page will now not auto mark a notification as read if
it has a target url. Currently no notifications have target urls
but this will be changed in a later patch...
Change-Id: I9bd71d59391189d5d761ab5f1c84af0bc3554be0
* Get rid of EchoBackend by separating responsibilities into smaller objects
* Move main fetchNotification logic from API to a more appropriate place
* Add more unit testing coverage
Change-Id: I42f4d7566543332588431c21c220c0d64d026b70
