Added support for several Jetpack Features

* Added support for Jetpack publicize and markdown editor for products
* Added support for Jetpack product results in Omniseaarch
https://www.evernote.com/shard/s1/sh/f47adc63-2aa5-4f5e-9f0d-71a34dd145f
6/03b99171ff6e6fddabcea387f2db02f6