Contains configuration for logging. The settings that might want to change:
F1.File indicates where you want your rolling file appender to be stored on your workstation (e.g., c:/dev/logs/oasskeleton.log)
log4j.rootLogger indicates the level of logging (e.g., INFO) and where to send the log (e.g., C1 for the console and F1 for your rolling file appender that you configured above)
Levels of logging: