daviferreira/medium-editor — pull request #307 by JoTrdl (2014-10-07 18:53:16+00:00)
Title: Added justify* buttons

For a project, I needed all justify commands (justifyLeft, justifyRight, justifyFull, justifyCenter). I didn't change the default buttons, it is just extra buttons.
So here are the changes if you want to integrate them in the editor.