When building from source you must use sbt 0.11.2 or the dependency for the play sbt plugin will not resolve. This means also that your build.properties sbt.version must equal 0.11.2
fixed example link
Updated Play 2.0 for Java developers (markdown)
java cookies API
Updated Caching (markdown)
The path of Cache.scala is changed and not yet updated here
Updated JSON support (markdown)
Updated Play 2.0 for Scala developers (markdown)
Updated Creating a new application (markdown)
Updated Starting your application in production mode (markdown)
Updated Testing your Application (markdown)
Updated Testing your application (markdown)
Updated Play 2.0 beta documentation (markdown)
Added additional commands for building from source so that it clears all pre-built files and ensures all libraries are published locally.
Updated Deploying to Heroku (markdown)