Give - Form Field Manager 3.0.5

* Fix: 1/3 and 2/3 column fields now display correctly on the Multi-Step forms
* Fix: Date fields now save and validate properly upon donation submission
* Fix: Took care of a pesky notice that showed up when using the Editor field
* Fix: Add a check when saving to make sure all custom fields have a label to prevent weird issues

* Fix: Resolved an error if using the less than condition
* Fix: Cleared up a notice thrown by the Repeater field
* Fix: Custom field classes are now correctly added to the field

* Fix: Took care of a memory leak in field registration