Features

• Add presentation="role" for almost every table to help with accessibility http://blog.rebelmail.com/accessibility-in-email-part-ii/

Fixes

• Fix Mj-Button ghost button, padding fix introduce in 2.3.1 broke border
• Fix Mj-Hero align/padding were not applied #366
• mj-location href is now documented
• Remove a mj-hero warning
• Mj-Hero supports vertical-align thanks to @tothandras