* origin/3.15: (40 commits)
Revert "More msi.plt retries for Jenkins builds on Windows"
Revert "Testing msi: Add retries if necessary"
msi: Flush stdout on program exit
Now fix the non-windows systems
Don't use / in Windows program paths
Redirect msi's STDERR to /dev/null (NUL on Windows) during tests
VxWorks: Mark undetected underflow parse test as ToDo
Fix VxWorks osiSockOptMcastLoop_t => char
Fix sync filter example in dbd.pod
doc/ca: clarify variable size array subscription
Remove cacExitHandler
Don't clear caClientCallbackThreadId in CA's exit handler
appveyor-ci: ANL Make install 4.1 -> 4.2.1
appveyor-ci: use pre-installed AppVeyor MinGW
appveyor-ci: use choco MinGW 5.3.0 to work around build problem (fixes lp:1827225)
appveyor-ci: exclude some cygwin builds (broken compiler) appveyor-ci: remove slack, add email and GitHub notifications (cherry-picked from branch 7.0)
epicsTime: rely on implicit copy constructor
iocLogServer: check return values
Fix potential buffer overflow in iocLogServer
Fix weird use of strncpy
...
# Conflicts:
# modules/database/src/ioc/dbtemplate/msi.c
# modules/database/src/std/rec/stringinRecord.c
# modules/database/src/std/rec/stringoutRecord.c
# modules/database/test/ioc/dbtemplate/msi.plt
# modules/libcom/src/osi/os/vxWorks/osdSock.h
# src/ioc/dbtemplate/msi.c
# src/ioc/dbtemplate/msi.cpp
Instrument testEqInt() macro with caller's source line-number.
Added another epicsEvent to wait for the listeners to run.
Not guaranteed to fix all issues, but should be more reliable.