Merge pull request #903 in CASA/casa from CAS-12348 to master
* commit '74baf569a73c5666f63d2116f57c8129ab9feabc': CAS-12348 OS specific compiler warnings need to be ifdef'ed
Merge pull request #902 in CASA/casa from CAS-12346 to master
* commit 'ad4cd43ba125a266469c65d1a17a86ca486f4696': CAS-12346 update test_stretch so it doesn't intermittently fail
Merge pull request #901 in CASA/casa from hf-drs13 to master
* commit 'a23ff4815b572dc03826ddbc8768fc2abbd5776c':
recent casacore changes can result in non-termination