Developer credits
Git commits in Moodle 2.4.0 by Steve Bader
commit 27e3057838841d2a54e12ddd483f0d1e1234dfd7 Author: Steve Bader <smbader@ncsu.dot.edu> Date: Fri, 02 Nov 2012 05:58:14 +0800 Tag: v2.4.0-beta MDL-30921 navigation: Added aria-role to the navbar content