casa

Merge pull request #1130 in CASA/casa from CAS-12660 to master

* commit 'c9387f81b90041295e4b7c27417f7b695824f0af':
  Make plotms RA x-axis descending in all cases
  Set axis sort direction after range
  Restore axis scale base for RA/Dec plotms plots
  Set axis label format for angle (ra/dec)