Merge pull request #1071 in CASA/casa from CAS-12372 to master
* commit 'bcd3e419c57e98dfb8de4b744eaedc9647c9974c': (38 commits)
fixed problem in parallel_imager_helper with imports when no MPI is available, used parallel_task_helper.py as example
merged imagerhelper changes from casatasks
some test_simobserve.py tests work again in casa6
fix path join issues in test_tclean.py
merge in parallel_task_helper.py changes from casatasks
changes to make recent merged code work in casatasks. Most of test_simsobserve is disabled in casatasks.
test_tclean needs to import widebandpbcor from casatasks for CASA6
fix Python 2 iterable/list issue, increase msg level, CAS-12584, via casatasks CAS-12373: cleaned up typo introduced in the previous merge, turned some print statments into functions for python 3
fixed bugs affecting casatasks behavior, cleaned up some deprecated unittests usage CAS-12372: fix mpi related bugs in previous commits CAS-12372 : make test_smooth work without using the dict comparison. The current test still needs work, but it never really worked so this is an improvement CAS-12372 : make sdutil.py toolmanager backwards compatible with scripts in CASA5 not yet moved to CASA6
fixed problems in test_predictcomp.py
returned test_refimager.py and test_spxfit.py to their current state in master, undoing changes in this branch
final cleanup after most recent merge of master into CAS-12372
final set of files for CAS-12372
more files for CAS-12372
more files or CAS-12372
Added casatools resolve lookup to FluxStdPerleyButler2017::setSourceCoeffs
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