KAFKA-5609: Connect log4j should also log to a file by default (KIP-521) (#7430)
KAFKA-5609: Connect log4j should also log to a file by default (KIP-521) (#7430)

Implemented KIP-521 to change the provided Connect Log4J configuration file to also write logs to files and to rotate them daily.

Author: Konstantine Karantasis <758382ce421b111ebd907baeb3652ad461358862@confluent.io>
Reviewer: Randall Hauch <9972a9c98f4ad2f4c07879e61ff8ef543017832b@gmail.com>
guozhangwang/kafka,Chasego/kafka,apache/kafka,apache/kafka,noslowerdna/kafka,TiVo/kafka,lindong28/kafka,noslowerdna/kafka,noslowerdna/kafka,noslowerdna/kafka,Chasego/kafka,apache/kafka,guozhangwang/kafka,lindong28/kafka,Chasego/kafka,lindong28/kafka,TiVo/kafka,sslavic/kafka,guozhangwang/kafka,apache/kafka,Chasego/kafka,sslavic/kafka,sslavic/kafka,lindong28/kafka,TiVo/kafka,sslavic/kafka,guozhangwang/kafka,TiVo/kafka