Git commits in Moodle 2.8.9 by Ben Kelada

commit 0429a7637044017decd37cac9045842aec6b55fe
Author: Ben Kelada <ben.kelada@open.edu.au>
Date:   Tue, 06 Oct 2015 12:09:42 +0800
Tag:    v2.8.9

MDL-51673 messages: remove strict type check of int vs string

commit 6dd7f1d452372e9ad2182e4f3cf4ffb28ee968ed
Author: Ben Kelada <ben.kelada@open.edu.au>
Date:   Mon, 31 Aug 2015 12:12:42 +0800
Tag:    v2.8.9

MDL-51253 forum: fix urls for exceptions and redirects