Version 1.2.4

ADD: New google map api shortcode
FIX: Shortcode dialog (changed sizes)
FIX: A wrong function_exists check for content_box shortcode
FIX: Trouble when used сyrillic in the tabs shortcode
FIX: Argumets variable name in carousel_owl shortcode
UPD: Changed maintenance mode user rights
UPD: Rename title_box shortcode in wp-editor and edit description