Make OMSC logback aware.
Update log file setting in OMSC.
Make consumers of OMSC call logfile setter.
Allow CallCtx to setup MDC.
Increase import log file verbosity.
Include a filter for the SIFT appender.
Only allow INFO in FILE appender.
Add INFO level msgs to import log file.
Use threshold filter instead of exact filter.
Lower set of loggers to INFO level.
Bring back ManagedImportRequestI in logback.xml.
Remove LevelFilter from FILE appender.
Merge pull request #1251 from bpindelski/11020-log-file

Improve the logging during image import (see #11020)