=hco merge MessageTransformations with HttpEntityRegularBuilder
=pro,hco for the time being rely on released version of akka-actor
=hco cleanup import java.lang => jl
=hco sprinkle some whitespace

FTR here's the regex used:

search for: ^(([ ]+).*[^\s](?<![ ]*\n[ ]*))(\n\2/\*\*)
replace with: $1\n$3
=hco convert `// Java API` comments into actual JavaDocs
=hco cleanup blank lines in files without import statements
=hco cleanup whitespace in headers.scala
=hco more java.lang => jl