Bump scalatra-sbt to 0.4.0
Bump scalatra-sbt to 0.4.0

seratch/scalatra,offner/scalatra,seratch/scalatra,offner/scalatra,offner/scalatra,seratch/scalatra,dozed/scalatra,lzpfmh/scalatra,lightvector/scalatra,lightvector/scalatra,lzpfmh/scalatra,lzpfmh/scalatra,dozed/scalatra,lightvector/scalatra,dozed/scalatra