Git commits in Moodle 2.7.4 by Paul Nicholls

commit 55f193d531e504d8bec851a372c42f57c08ed9f2
Author: Paul Nicholls <paul.nicholls@canterbury.ac.nz>
Date:   Mon, 28 Apr 2014 07:09:43 +0800
Tag:    v2.7.4

MDL-43679 core_useragent: add test cases for MS Word


commit 762f716834d250b9397b25bfad4a9b4d0198f3bd
Author: Paul Nicholls <paul.nicholls@canterbury.ac.nz>
Date:   Mon, 28 Apr 2014 05:29:20 +0800
Tag:    v2.7.4

MDL-43679 core_useragent: add basic MS Word detection