Don't add 'withSources()' for dependent libs, which may cause project that depends on me got to be depended on source-jar instead of binary jar transitively. (may be sbt's bug)
Don't add 'withSources()' for dependent libs, which may cause project that depends on me got to be depended on source-jar instead of binary jar transitively. (may be sbt's bug)

angiolep/spray-websocket,wandoulabs/spray-websocket