Pull request #605: CAS-13864: Remove non-production ready code from synthesis
Merge in CASA/casa6 from CAS-13864 to master
* commit 'a670eb78bbdbf07ff7b1812182c9e7ce0e9395a2':
Remove obsolete Pixon method based on IDL routines
Remove experimental files from production tree
Move back legacy files to casa5 directories
Pull request #604: CAS-12581
Merge in CASA/casa6 from CAS-12581 to master
* commit '171c7338c69db11c3f43ff99d6ceace61c3db7ef': CAS-12581 removing test that was not meaningful that got introduced in CAS-12957
Fixed an issue when the linear interpolation causes gridding and degridding to have grids with different channels
a possible fix for the crash
fix to mosaic gridder crash when number of channels is much larger than data selection (thanks Kumar\!)