fix mis-attribution in notice, and other tidies there (punctuation mainly)
Remove from NOTICE MariaDB/JBoss config files

- These are based on the defaults shipped with the given projects,
  but just match snippets from the docs, and examples that are readily
  available on a myriad of blogs. Our template config files are similar
  to the default files, but unsurprisingly the defaults match docs and
  thus match what one would write for a basic deployment.
Improve RAT exclusion wording for config files