Update YouTube embed-to-shortcode function to accept YouTube's new relative protocol embed code.
Publicize: Add support for custom post types.
* Send ['cpt_publicizeable'] to indicate that the CPT supports 'publicize'.
* Add filter jetpack_sync_post_module_custom_data to allow modules to send extra info on the sync post process.
Adjust regex on YouTube embed-to-shortcode per @georgestephanis
Merge pull request #83 from kraftbj/youtube

Update YouTube's Embed-to-Shortcode function
Merge branch '8-github'
CPT: Testimonials: Add static keyword to some customizer methods.
Props @binarymoon for the bug report.
Merge pull request #86 from Automattic/merge-20140118

CPT: Testimonials: Add static keyword to some customizer methods.