Logging

This feature allows a user to configure logging for their Voyager instance.

Access Logging \- NCSA request logging can be enabled. 

Configure Log4J \- The logging level can be set based on 6 possible logging levels, ranging from very detailed (TRACE) to very general (FATAL). The default logging level is INFO. The Voyager default log4j file can be used to configure logging or the user can create a custom configuration.