All settings are now passed to a custom filter so can be programatically altered

Usefull if you want to change labels on the fly (useful if you want to add translatable labels)

There are so many changed files because `get_option` is used multiple times in multiple places and it's almost impossible to find what is where (any hints to reduce filters would be helpful)

There is one big-ass filter `ninja_forms_settings` where you can alter ANY option, then it's a filter per label ( e.g. `ninja_forms_labels/date_format`, `ninja_forms_labels/req_div_label` and so on; all filters are available [here](https://github.com/iamntz/ninja-forms/blob/83055d76dd29f7acf4326473a753a5d323fe0e87/includes/ninja-settings.php) ).