Make sure we write the version file on docker builds.
Make sure we write the version file on docker builds.

aronasorman/kolibri,learningequality/kolibri,lyw07/kolibri,aronasorman/kolibri,jonboiser/kolibri,christianmemije/kolibri,christianmemije/kolibri,mrpau/kolibri,MingDai/kolibri,indirectlylit/kolibri,DXCanas/kolibri,MingDai/kolibri,jonboiser/kolibri,learningequality/kolibri,mrpau/kolibri,christianmemije/kolibri,jonboiser/kolibri,indirectlylit/kolibri,DXCanas/kolibri,DXCanas/kolibri,learningequality/kolibri,benjaoming/kolibri,MingDai/kolibri,learningequality/kolibri,indirectlylit/kolibri,lyw07/kolibri,rtibbles/kolibri,christianmemije/kolibri,aronasorman/kolibri,rtibbles/kolibri,lyw07/kolibri,rtibbles/kolibri,benjaoming/kolibri,benjaoming/kolibri,mrpau/kolibri,jonboiser/kolibri,aronasorman/kolibri,MingDai/kolibri,indirectlylit/kolibri,benjaoming/kolibri,DXCanas/kolibri,lyw07/kolibri,rtibbles/kolibri,mrpau/kolibri