Merge pull request #103 in CASA/casa6 from CAS-12940 to master
* commit '2c301bf4e53d12b46c4d07151eddeb0332263e7d':
Update expected error message
fix test failure on Bamboo
changes suggested by 2to3 CAS-12940 add test for plotprofilemap CAS-12940 fix for Python 3 CAS-12940 add test for sdsidebandsplit CAS-12940 add test for sdpolaverage CAS-12940 add plotprofilemap task CAS-12940 add sdsidebandsplit task and sidebandseparator tool CAS-12940 add sdpolaverage task