Produce a richly formatted log message from a LogRecord.
The log message format is:
1 - timestamp
2 - level (INFO,WARN,DEBUG,ERROR)
3 - pid
4 - thread name
5 - class with method name
6 - log message
2015-01-21 20:26:57.159 INFO 47461 [main] o.k.c.j.b.BuilderTest.info : iterations -> 5,000,000