In an attempts to reduce the traffice this pull request changes the interval the ajax calls to 5 seconds from 2 seconds for the dashboad page.
In an attempts to reduce the traffice this pull request changes the interval the ajax calls to 5 seconds from 2 seconds for the dashboad page.

alphagov/notifications-admin,alphagov/notifications-admin,alphagov/notifications-admin,alphagov/notifications-admin