Git commits in Moodle 2.7.5 by John Okely

commit 0d71d809e6b1e3d2a2b441cbc6e6f0b83528b517
Author: John Okely <john@moodle.com>
Date:   Tue, 06 Jan 2015 15:24:36 +0800
Tag:    v2.7.5

MDL-45784 lesson: Remove preview link for students viewing lesson


commit 5ce6beca1559fc1aafd511c54247a4b567d05f9f
Author: John Okely <john@moodle.com>
Date:   Tue, 06 Jan 2015 11:36:42 +0800
Tag:    v2.7.5

MDL-39103 lesson: Fix lesson administration block


commit 3d383a7da583bb895e0f0ead4bef7558e9c33dab
Author: John Okely <john@moodle.com>
Date:   Mon, 05 Jan 2015 14:52:54 +0800
Tag:    v2.7.5

MDL-47761 enrol: Show more detail for self-enrolment errors


commit 807c71c0bdbe2e1bf81dc563582ec7c49f9950b7
Author: John Okely <john@moodle.com>
Date:   Thu, 18 Dec 2014 16:48:33 +0800
Tag:    v2.7.5

MDL-44560 glossary: Fix pagination on glossary category view