Pull request #930: CAS-14220
Merge in CASA/casa6 from CAS-14220 to master
* commit '8f2ea6157a68c01e87c71eec172c6b68ad561c07':
Fix assert in almaabs.c
Fix use of CMAKE_BUILD_TYPE inputs
Add coverage documentation to readme.md (CAS-14220)
Update coverage conditional in casatools CMakeLists (CAS-14220)
Update coverage conditional in casatools CMakeLists (CAS-14220)
Update coverage conditional in casatools CMakeLists (CAS-14220)
Update casatools/src/code/CMakeLists.txt (CAS-14220)
Update casatools/src/code/CMakeLists (CAS-14220)
Added a new test_summary class with one test case to exercise parameter spwcorr in the Flagging module. This is an experiment to check the coverage of FlagAgentSummary.cc lines 322, 323.
Update casatools build to enable gcov instrumentation
