Merge remote-tracking branch 'origin/feature/5422_indirect_foreign'
Allow reduction of raw files in batch mode

re #8133
Merge remote-tracking branch 'origin/feature/8133_sans_batch_raw'
Merge remote-tracking branch 'origin/feature/8018_mac_python_packages'
Merge remote branch 'origin/feature/7880_lebail_vulcan'
Merge remote branch 'origin/feature/7476_new_costfun_rwp'
refs #8137. Skip tests if module import impossible.
Merge branch 'feature/8137_fix_tests' into develop