Merge in RED/redaction-service from RED-1830 to master * commit 'e9c5b955805b42e3e62ae0aad7affcad05610833': fixed compile err add comments
Merge in RED/redaction-service from RED-1830 to master * commit 'e9c5b955805b42e3e62ae0aad7affcad05610833': fixed compile err add comments