Make LicenseFile and ReadMe regexes match files in META-INF
Make LicenseFile and ReadMe regexes match files in META-INF

Or more generally files in directories whose path components are not
matched by "\w+"

sbt/sbt-assembly,fabiocognigni/sbt-assembly,onilton/sbt-assembly,sbt/sbt-assembly,nkhuyu/sbt-assembly