Merge pull request #30 from RajeebTheGreat/shortcodes

[Shortcodes] Hopefully final list of shortcodes
AJAX Event for Nested Shortcode
[Feature] Render the Meta-Box Content for Layout Setting
[Fix] Depedency check visibility animation
[Refactor] As simple display as possible
[Fix] Save additional Meta-Box Setting
Merge pull request #31 from RajeebTheGreat/shortcodes

[Shortcode] Add Woocommerce shortcodes