Release 8.x

This release will be completed by 27 Dec. 2018.

List of improvements

Filter prefix for health alarms IASMON
Disable action button to perform ack and shelve actions according to user permissions, and show messages accordingly
Improvements for the authentication
Disable documentation link if it is not available
Fix notification counter per view
Allow simultaneous login in Display and Django admin
Update credentials for periodic tasks
Add middleware to remove cookie and allow to get a token if there is a session already active from the browser