MissingCopyrightHeader custom codenarc rule via RequiredRegex
BlankLineBeforePackage codenarc custom rule
MissingBlankLineAfterPackage codenarc custom rule
MissingBlankLineAfterImports codenarc custom rule
TrailingWhitespace custom codenarc rule via IllegalRegex
Merge pull request #439 from joesondow/custom-codenarc-rules-blank-lines-copyright

Custom codenarc rules blank lines, copyright, and trailing whitespace