Rename action=unwatchtopic to action=notifytopic

Signed-off-by: Shitiz Garg <mail@dragooon.net>
Remove notify links from various sections other than Display

Fixes #2528

Signed-off-by: Shitiz Garg <mail@dragooon.net>
Remove can_mark_notify as well

Signed-off-by: Shitiz Garg <mail@dragooon.net>
Fix board notify preferences

Also fixed undefined index id_topic

Signed-off-by: Shitiz Garg <mail@dragooon.net>
Merge pull request #2539 from Dragooon/notifytopic

Notify links improvements