Add language support
Add notices method to allow easier notice generation
Text updates
Fix pagination issues with subsubsub
Rework the form designer

* No more `form.php` direct access
* Everything flows through the AJAX request, except for some color live
updates
* Stop propagation to speed requests up
* Removed unused images folder
* Update SafeSubscribe image
Make sure required fields are checked on submission
Fix stuff!

Least helpful commit message ever.
Update all the vendor libs