Developer credits
Git commits in Moodle 2.6.x by Ben Kelada
commit aaabecb3d8d14fcc233f29ae1c717998bc62d86a Author: Ben Kelada <ben.kelada@gmail.com> Date: Tue, 14 Oct 2014 14:25:01 +0800 Tag: v2.6.6 MDL-46500 filepicker: prevent error when element does not exist