Updated mediawiki/extensions
Project: mediawiki/extensions/EducationProgram  551f0df3294aed4db9d513c3ba8689d8d900eba8

Add compare action for course revisions

Add a new action available to all users from the view history tab of
a course or institution, showing a diff between any previous
revision and the current one. Enrollment tokens are hidden for users
without sufficient rights to see them.

Change-Id: I784d18aed4fcacb910e35ea947842a36cb4d0973