Shortcodes: add the Recipes shortcode

See http://en.support.wordpress.com/recipes/
Fixes #605
Turn off Post Formats by default for Portfolio CPT. See https://github.com/Automattic/jetpack/issues/1066
Restore escaped content in unsupported post types

Fixes #496
Merge pull request #989 from jeherve/add/recipe-shortcode

Shortcodes: add the Recipes shortcode props @jeherve
Shortcodes: Added link to the recipes shortcode documentation
Fixes  #281

Issues with the Official Bitly for WordPress and the Jetpack Open Graph
Implementation.
Merge pull request #1070 from philiparthurmoore/master

Turn off Post Formats by default for Portfolio CPT. props @philiparthurmoore  Fixes #1066
Merge pull request #1111 from mattwiebe/post-type-code-blocks

Restore escaped content in unsupported post types Fixes #496 props @mattwiebe