Clean up rat ignores
Clean up rat ignores

* No need to ignore vagrant stuff, not in project anymore.
* No need to ignore .gitignore/.dockerignore, license header added.
* No need to ignore Dockerfile, license header added.
* Should ignore RELEASE-NOTES.md as it ignored RELEASE-NOTES.txt before.

xnslong/logging-log4j2,codescale/logging-log4j2,codescale/logging-log4j2,GFriedrich/logging-log4j2,codescale/logging-log4j2,apache/logging-log4j2,xnslong/logging-log4j2,apache/logging-log4j2,GFriedrich/logging-log4j2,xnslong/logging-log4j2,GFriedrich/logging-log4j2,apache/logging-log4j2