Improve command line option grouping and readability
Renamed command line options:
-
-log→-log-file -
-summary-interval→-log-summary-interval -
-unsafe-logging→-log-unsafely -
-verbose→-log-verbosely
Deprecated options are still usable.
Whenever a deprecated option is used, a warning to the log/stderr is being
output to remind the operator/user to switch to the new option.
- Added deprecation info to the option descriptions of the
--helppage - Slight correction of the option descriptions
- Updated
--helppage content in proxy'sREADME.md