Git commits in Moodle 2.3.4 by Michael Aherne

commit b622d36f13e68be31066ad087448e534d411ba5f
Author: Michael Aherne <michael.aherne@strath.ac.uk>
Date:   Mon, 29 Oct 2012 23:18:21 +0800
Tag:    v2.3.4

MDL-34762 course Hide system archetypes from mod chooser