Support additional logging (over NULL logging)

[bindul]

• Support file logging (derby.stream.error.file)
• Support additional log files (other than derby.log) - http://db.apache.org/derby/docs/10.12/ref/rrefproper18151.html
• Support rolling log files (derby.stream.error.style) with additional support for derby.stream.error.rollingFile.count, derby.stream.error.rollingFile.limit and derby.stream.error.rollingFile.pattern. - http://db.apache.org/derby/docs/10.12/ref/rrefproperrollingfile.html
• Support logging through java.lang.System.err or java.lang.System.out (use derby.stream.error.field)
• Support logging through our logger (use derby.stream.error.field with a special logger)
• Support setting derby.stream.error.logSeverityLevel with default (and only write property if not default)
• Support setting derby.stream.error.extendedDiagSeverityLevel with default (and only write property if not default)
• Support setting derby.stream.error.logBootTrace