Git commits in Moodle 2.6.6 by Dmitry Nefedov

commit b587eeadaec87f3f5e87d31e5ab28e4ef8771a1c
Author: Dmitry Nefedov <corzina@ya.ru>
Date:   Wed, 01 Oct 2014 16:55:06 +0800
Tag:    v2.6.6

MDL-47408 user: Add checking before adding blog's link.

commit 0ed4a94bee50b9fb79f4ae9bdbadd0c43c29c260
Author: Dmitry Nefedov <corzina@ya.ru>
Date:   Sat, 27 Sep 2014 21:45:55 +0800
Tag:    v2.6.6

MDL-46391 messages: Display search button under contact list.

commit a9d02522f5f37935c2d45518c81c91899d89a069
Author: Dmitry Nefedov <corzina@ya.ru>
Date:   Sat, 27 Sep 2014 08:37:25 +0800
Tag:    v2.6.6

MDL-47408 user: Add enableblogs checking before adding blog's link.

commit 7a366a2a3f871d1ebf132afabf8c50c6914ccda5
Author: Dmitry Nefedov <corzina@ya.ru>
Date:   Thu, 25 Sep 2014 21:14:26 +0800
Tag:    v2.6.6

MDL-47385 coursecat: Mistake line in phpdocs deleted.