Merge pull request #524 in CASA/casa6 from CAS-13532 to master
* commit 'a0fd0dfbd164111fc1dd7d489a74669b26184ea9': CAS-13532 patching small holes left in PySynthesisImager CAS-13532 updating failing test values for update (more accurate) mtmfs iteration counts CAS-13532 fixing bad cummulative iterdone for mtmfs deconvolver, avoid freeing a counted pointer CAS-13532 code cleanup from code review CAS-13532 fix off-by-one iteration return of iteration count in MultiTermMatrixCleaner.cc::mtclean() CAS-13532 fix hogbom off-by-one-error as caused by fortran's indexing at 1 CAS-13532 while I'm here, let's standardize these checks to be the same within and without the if statement scope CAS-13532 don't not check for exit criteria just because no major cycles have been evaluated yet CAS-13532 adding updated xml file CAS-13532 fixing different mask for minor/major cycle peakres check in mtmfs bug CAS-13532 adding warning when there are non-zero pixels at the edge of the .pb image
