Git commits in Moodle 2.7.8 by Nadav Kavalerchik

commit de8958e8ac1b2cafcab87427f8572f54d1cfef15
Author: Nadav Kavalerchik <nadavkav@gmail.com>
Date:   Tue, 14 Apr 2015 02:42:26 +0800
Tag:    v2.7.8

MDL-40881 uploaduser: Validate profile fields unique values


commit 225526cd292e1b3b855c8ba27dadedf262aa813c
Author: Nadav Kavalerchik <nadavkav@gmail.com>
Date:   Wed, 25 Mar 2015 01:55:23 +0800
Tag:    v2.7.8

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