Git commits in Moodle 2.8.6 by Nadav Kavalerchik

commit e5e43e747a9dedd63b90a71750db995de219b835
Author: Nadav Kavalerchik <nadavkav@gmail.com>
Date:   Wed, 15 Apr 2015 00:12:10 +0800
Tag:    v2.8.6

MDL-40881 uploaduser: Validate profile fields unique values


commit 1ae727b538991487c7d80b460fb2d83ea597eb9b
Author: Nadav Kavalerchik <nadavkav@gmail.com>
Date:   Tue, 07 Apr 2015 14:39:55 +0800
Tag:    v2.8.6

MDL-49762 Atto: Set HTML directionality to LTR, in RTL mode.


commit 7204bbf743f4ce6acb9ba6f373c3cb89c4717b28
Author: Nadav Kavalerchik <nadavkav@gmail.com>
Date:   Wed, 18 Mar 2015 02:57:43 +0800
Tag:    v2.8.6

MDL-49558 user grades: Fix range & percent grade display in RTL mode