Travis CI build fixes.
Travis CI build fixes.

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