Merge pull request #162 in CASA/casa6 from CAS-10893 to master
* commit '0f44433d1203d2ed5a9bb03c1fca3e4358293741':
add 'final' to SDGrid.
remove FTMachine::isSD_p and add FTMachine::isSD() and SDGrid::isSD().
updates based on comments from Takeshi.
fixed unit test for CASA5
removed changes for CAS-10891, and also made minor clean-ups
modification for CAS-10893/CAS-10891
Merge pull request #161 in CASA/casa6 from CAS-8586 to master
* commit '350c29f9c8ecf27757e8ad72ed1661c021be8e9a':
added a note to savemodel documentation
added test_cube_chanchunks_savevirtual in test_tclean
Fixed an initialization problem with chunking and having last major cycle after only one major cycle.
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.
