Git commits in Moodle 3.2.x by David Bogner

commit 7c519588f106477ca53053ad4bb12b3bf576689c
Author: David Bogner <davidbogner@gmail.com>
Date:   Tue, 13 Dec 2016 22:04:13 +0800
Tag:    v3.2.2

MDL-57374 editor: Pasting plain text in Atto removes all styles/classes