Configure log4j2 to write on multiple files
Configure log4j2 to write on multiple files

Log is now stored in output/logs/<datetime>/{all,info,debug,error}.log
Previously it was stored in ./log.log

Only LearningAnalysisMain is being logged right now
There is still a lot of work to be done on logging errors and exceptions

qhanam/Pangor,saltlab/Pangor,saltlab/Pangor,saltlab/Pangor,qhanam/Pangor,saltlab/Pangor,qhanam/Pangor,qhanam/Pangor,qhanam/Pangor,saltlab/Pangor