wordpress standards
Settings API Class
Update to use new Settings API. Support for new freshDesign setting.
Removed custom form table style.
Rename field.
Added 'label_for'.
Renamed sections name to just 'General Settings'.
Renamed section name to just 'General'.
Renamed slug to 'pronamic_google_maps'.
Updated Dutch translation files.
Removed unused code.
Use get_admin_page_title().
Use get_admin_page_title().
Nu longer use SLUG class constant, and renamed to ''pronamic_google_maps' (with underscores).
WordPress Coding Standards optimizations.
Use an list for the post types.
Use the checked() function.
No need to set by default, get_option will return false if option does not exist.
Moved the visualRefresh setting to Site.php and only set this var in the init routine.
Use __return_false as section callback, we don't output anything.