Pull request #991: CAS-14528
Merge in CASA/casa6 from CAS-14528 to master
* commit 'a6878bc51d259ee480b01fb4d54f482edce520b9': CAS-14528: Resolve merge conflicts CAS-14528: Also test X-Y mounts CAS-14528: Test importfitsidi mount types CAS-14528: Test parang=True for beam waveguide antennas CAS-14528: Update casacore to include BWG mount support