Fix something stupid.
Fix a PHP warning
Remove bad error notice on the slide master
Update master thumbnail automatically
Changelog
Fix a missing close parentheses.
Add a busy spinner to the UI and make sure we update the slide thumbnail before closing the modal.
Remove PressTrends since it's broken
Remove helper text on Product Key since it's confusing
Version bump
Grunt 1.2.4
Merging 1.2.4