Less 1.6.3

Highlights From 7 Changes

feature Avatars: Screen-reader-accessible alt and title attributes are now translatable
debug Featured Images: Fixes centered extension functionality for Featured Images
debug Logo ID: Restores previous Logo ID for proper targeting
debug Menus: Fixes Top Menu and Site Menu to correctly inherit Skin CSS styles
debug Drop Caps: All Drop Cap styles now work
debug Content Extensions: Content Extend settings in Display Dashboard work for all extended options

feat adds translation support for accessibility strings in enhance_avatar_accessibility() method of wp.php file

fix updates Drop Cap variables in grt-drop-cap.scss file to reference correct variables
fix updates layout.scss file to use new $__extend_content CSS Feature

fix updates get_variables() method in design-config.php file to include new CSS Feature, extend-content
fix updates get_variables() method in design-config.php file to call options from display for menu-site and menu-top
fix updates get_variables() method in design-config.php to add null checks before accessing array keys, preventing undefined array key warnings
fix re-applies accidentally removed customize_logo_id(), featured_image_caption(), featured_image_wrap(), and enhance_avatar_accessibility() methods