updated comments - re https://github.com/learningequality/kolibri/pull/569#discussion_r83988460
updated comments - re https://github.com/learningequality/kolibri/pull/569#discussion_r83988460
mrpau/kolibri,lyw07/kolibri,benjaoming/kolibri,DXCanas/kolibri,jonboiser/kolibri,christianmemije/kolibri,jayoshih/kolibri,MingDai/kolibri,jayoshih/kolibri,jayoshih/kolibri,lyw07/kolibri,christianmemije/kolibri,jonboiser/kolibri,indirectlylit/kolibri,rtibbles/kolibri,rtibbles/kolibri,mrpau/kolibri,DXCanas/kolibri,christianmemije/kolibri,lyw07/kolibri,aronasorman/kolibri,indirectlylit/kolibri,MingDai/kolibri,christianmemije/kolibri,mrpau/kolibri,learningequality/kolibri,indirectlylit/kolibri,rtibbles/kolibri,indirectlylit/kolibri,mrpau/kolibri,jayoshih/kolibri,aronasorman/kolibri,aronasorman/kolibri,jonboiser/kolibri,jonboiser/kolibri,DXCanas/kolibri,DXCanas/kolibri,learningequality/kolibri,benjaoming/kolibri,learningequality/kolibri,rtibbles/kolibri,MingDai/kolibri,aronasorman/kolibri,learningequality/kolibri,lyw07/kolibri,benjaoming/kolibri,benjaoming/kolibri,MingDai/kolibri