Merge pull request #911 in CASA/casa from hotfix/2019March18_vla_almaif to master
* commit 'eb83da6f28789d351eadc16a3a9c6d2f25386cd9':
Copied VLA regression to new file and added initial ALMA IF regression
Merge pull request #912 in CASA/casa from bugfix/CAS-12362 to master
* commit '182c9611b096c9105f5a6b7f5e0f1d8e18bb0baf':
Modified test_refimager to skip the four currently failing tests