Git commits in Moodle 3.0.4 by Willem Roes

commit 50f5630dd618f5d3738deca7481b87dc801452b0
Author: Willem Roes <w_roes@hotmail.com>
Date:   Thu, 07 Apr 2016 13:47:59 +0800
Tag:    v3.0.4

MDL-53676 block_navigation: fix incorrect array iteration

commit 6b6f4abe3e47c5f4a04b2032d8a77a6dfa8361ed
Author: Willem Roes <w_roes@hotmail.com>
Date:   Sun, 20 Mar 2016 18:26:00 +0800
Tag:    v3.0.4

MDL-52646 mod_scorm: fix missing launch_data for SCORM 2004