Git commits in Moodle 3.2.1 by Tim Hunt

commit c4ade76ee5ad5c0a0818558c37bc8f695ef426ff
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Thu, 15 Dec 2016 00:17:17 +0800
Tag:    v3.2.1

MDL-57402 quiz editing: fix add heading after remove page break

commit d0a58fe0356eb9bf6783299cbf7e00ec4eab1b30
Author: Tim Hunt <T.J.Hunt@open.ac.uk>
Date:   Wed, 30 Nov 2016 02:31:53 +0800
Tag:    v3.2.1

MDL-57199 question preview: make HTML ids unique