v2.0.1 release:

- major logging update: all logging now done on log4j2-api
- Using log4j2 implementation locally, but not passed on to any library users
- log4j2 implementation-config file added to classpath. Auto-accessible by any library users who don't have their own config file
- README updates
1 job for master in 2 minutes and 52 seconds
Status Job ID Name Coverage
  Test
passed #48456228
job1

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