Merge branch 'release/2.3.7' into develop
fix issue where database file is not able to be opened when defaulting to configuration directory
fixed logging entries by defining logger for parser to avoid going to root logger
fixed bug where execute method was not called such that rsync never happened; fixed bug where config dir was not found when defaulting to path including configuration directory
fixed testing class impacted by bug in oslo.config placeholder substitution
removed log entry that resulted in breaking test code because it mocks part that checks for called once
updated to make sure subprocessext is patched for testing filesync
Update to version v2.3.8
Merge branch 'release/2.3.8'