Add a test file for output expectations in isolation
Only report output to the parent process if the test wasn't placing expectations on output.
Merge pull request #1489 from johnpbloch/output-isolation

Don't send output from tests in process isolation when testing output
Prepare release
drop exec perm on lib
Merge pull request #1500 from remicollet/issue-perm2

drop exec perm on lib
stderr is supported in configuration, update xsd
Merge branch '4.1' into 4.2
Merge branch '4.2' into 4.3
Merge branch '4.3' into 4.4