Git commits in Moodle 2.6.6 by pau.ferrer-ocana

commit 1bcf7faa535f4dfcdd40e6982cf5cfece845796b
Author: pau.ferrer-ocana <pau.ferrer-ocana@upcnet.es>
Date:   Thu, 30 Oct 2014 16:43:43 +0800
Tag:    v2.6.6

MDL-26447 gradebook: Default gradedisplaytype fixed for all locales

commit 33ed15457c6ec3248e29d0db532d43f5d7c9dfd7
Author: pau.ferrer-ocana <pau.ferrer-ocana@upcnet.es>
Date:   Wed, 29 Oct 2014 17:32:57 +0800
Tag:    v2.6.6

MDL-42875 users: Show only profile visible roles on participants list

commit 09c09e84f71c6490dee02bc8c1fdea726ac13f4d
Author: pau.ferrer-ocana <pau.ferrer-ocana@upcnet.es>
Date:   Wed, 29 Oct 2014 16:48:58 +0800
Tag:    v2.6.6

MDL-47875 choice: chat module strings not required from Choice anymore

commit 95224eaea433ba4c8c7f7f2feadf1fd98b43f90b
Author: Pau Ferrer Ocaña <crazyserver@gmail.com>
Date:   Tue, 28 Oct 2014 16:00:05 +0800
Tag:    v2.6.6

MDL-47227 admin: Fix user bulk selection over 1000