Updated mediawiki/extensions
Project: mediawiki/extensions/EducationProgram  c28424da150868339ae1723b1fb4bfd7c5a44a8c

Let instructors and other roles add students

This patch provides new UI elements to allow instructors,
volunteers, sysops and EP coordinators to add students to courses.
It includes modified versions of two third-party JS libraries:
Bootstrap Tags Input and Twitter Typeahead.

Bug: 56005
Change-Id: I9f8db940b841607ba3f6f99441c5c8a3dd662e35