Unresolved dependency: howl;1.0.1-2-precog

I got the same issue as #519, but after I resolve this issue, I got another one:
sbt.ResolveException: unresolved dependency: org.objectweb.howl#howl;1.0.1-2-precog: not found

For this one, I cannot find any repo that contains the file.

[kenips]

@tixxit any update to this? Without 1.0.1-2-precog there is no way to build the stack?