Use sized-based rotating log file writer for loghamster server

[lammel]

The loghamster server shall be able to rotate logfiles on while writing to the file.
The size to trigger a rotation shall be configurable. It is expected that the actual filesize is larger than the configured size due to buffering.

The mechanism for file naming shall be defined by a pattern.
Initially using a rotationg suffix is fine.

Log file naming:

• mydest.log
• mydest.log.1
• mydest.log.2