added last_updated field to api/remotechannels
added last_updated field to api/remotechannels

benjaoming/kolibri,lyw07/kolibri,mrpau/kolibri,mrpau/kolibri,christianmemije/kolibri,mrpau/kolibri,christianmemije/kolibri,indirectlylit/kolibri,benjaoming/kolibri,indirectlylit/kolibri,mrpau/kolibri,learningequality/kolibri,jonboiser/kolibri,jonboiser/kolibri,jonboiser/kolibri,lyw07/kolibri,DXCanas/kolibri,indirectlylit/kolibri,indirectlylit/kolibri,benjaoming/kolibri,lyw07/kolibri,jonboiser/kolibri,lyw07/kolibri,christianmemije/kolibri,DXCanas/kolibri,learningequality/kolibri,christianmemije/kolibri,DXCanas/kolibri,learningequality/kolibri,learningequality/kolibri,DXCanas/kolibri,benjaoming/kolibri