- Get SBT 0.7.7
- sbt update package
- cp target/scala_<scala_version>/akka-mist-sample_<scala_version>.jar to $AKKA_HOME/deploy
- cp src/main/resources/* to $AKKA_HOME/deploy
- cd your deploy folder
- export AKKA_HOME=`pwd`
- ./bin/akka
- open browser to http://localhost:9998/foo and you should see "it works"

You can get Akka 1.2 from http://github.com/jboner/akka