Merge pull request #160 in CASA/casa6 from CAS-13065 to master
* commit '31359367d4679822c0e583aa86eca16b381989d1':
For CAS-13065, added deprecation warnings to accum.xml to <shortdescription> and <description>, as well as a corresponding logger warning to task_accum.py.
Merge pull request #159 in CASA/casa6 from hf-drs47 to master
* commit '7852a3ca073c305ca60b39bd4b23e39101fe343c':
mix in fix for plotms i/o error msg (CAS-10031)
For CAS-13065, added deprecation warnings to accum.xml to <shortdescription> and <description>, as well as a corresponding logger warning to task_accum.py.