Update settings.jade
Update settingsCtrl.js
Update settingsCtrl.js
Update settings.jade
Update settings.jade
fixed an issue where hovering over the last item in a column would cause the column to lengthen if the item contained an Extra Notes bubble
Merge pull request #3898 from lynnyliz/develop

Columns were made longer by hovering over the last task in the list
add migration script to remove undefined guild notifications and false guild notifications
allow notification icon to go grey by deleting seen message data instead of setting to false
Merge remote-tracking branch 'refs/remotes/nmjones/develop' into develop

Conflicts:
	views/options/settings.jade
Merge pull request #3907 from Alys/notifHiding

allow notifications icon to go grey when all messages have been seen - fixes https://github.com/HabitRPG/habitrpg/issues/3270