Story 1959: Update documentation.
Story 1959: Update documentation.

canfar/vosui,hjeeves/cadc-vosui,opencadc/cadc-vosui,hjeeves/cadc-vosui,opencadc/vosui,opencadc/cadc-vosui,opencadc/cadc-vosui,canfar/vosui,hjeeves/cadc-vosui,opencadc/vosui,opencadc/vosui,hjeeves/cadc-vosui,opencadc/vosui,opencadc/cadc-vosui