title: Why SBT gives me "not found: object akka" with "import akka._"?
body: <p>I've the following <code>build.sbt</code> file:</p>
  
  <pre><code>name := "Stocks"
  
  version := "1.0"
  
  scalaVersion := "2.10.2"
  
  resolvers += "sbt-idea-repo" at "http://mpeltonen.github.com/maven/"
  
  addSbtPlugin("com.github.mpeltonen" % "sbt-idea" % "1.5.2")
  
  libraryDependencies ++= Seq(
    "com.typesafe.akka" %% "akka-actor"   % "2.2.3",
    "com.typesafe.akka" %% "akka-slf4j"   % "2.2.3",
    "com.typesafe.akka" %% "akka-remote"  % "2.2.3",
    "com.typesafe.akka" %% "akka-agent"   % "2.2.3",
    "com.typesafe.akka" %% "akka-testkit" % "2.2.3" % "test"
  )
  </code></pre>
  
  <p>When I <code>import akka._</code> in a <code>.scala</code> file I'm getting the error:</p>
  
  <pre><code>[error] /home.......stocks/src/main/scala/main.scala:3: not found: object akka
  [error] import akka._
  </code></pre>
  
  <p>Why?</p>