title: Errors in sbt Scala project
body: <p>Created a sample Scala project structure (on my OS X Mavericks based computer) as follows:</p>
  
  <p>Inside sample_project dir:</p>
  
  <pre><code>src
      main
        java
        scala
          Hello.scala
        resources
      test
        java
        scala
        resources
   build.sbt
  </code></pre>
  
  <p>Hello.scala:</p>
  
  <pre><code>object Hello {
      def main(args: Array[String]) = println("Hello!")
  }
  </code></pre>
  
  <p>build.sbt:</p>
  
  <pre><code>name := "hello"
  
  version := "1.0"
  
  scalaVersion := "2.11.1"
  </code></pre>
  
  <p>Placed the build.properties under sample_project/project:</p>
  
  <pre><code>sbt.version=0.13.5
  </code></pre>
  
  <p>When I try to run it using the "sbt" command inside the root folder:</p>
  
  <pre><code>/sample_project $ sbt
  Getting org.scala-tools.sbt sbt_2.8.1 0.13.5 ...
  
  :: problems summary ::
  :::: WARNINGS
          module not found: org.scala-tools.sbt#sbt_2.8.1;0.13.5
  
      ==== local: tried
  
        .ivy2/local/org.scala-tools.sbt/sbt_2.8.1/0.13.5/ivys/ivy.xml
  
        -- artifact org.scala-tools.sbt#sbt_2.8.1;0.13.5!sbt_2.8.1.jar:
  
        .ivy2/local/org.scala-tools.sbt/sbt_2.8.1/0.13.5/jars/sbt_2.8.1.jar
  
      ==== Maven2 Local: tried
  
        file://.m2/repository/org/scala-tools/sbt/sbt_2.8.1/0.13.5/sbt_2.8.1-0.13.5.pom
  
        -- artifact org.scala-tools.sbt#sbt_2.8.1;0.13.5!sbt_2.8.1.jar:
  
        file://.m2/repository/org/scala-tools/sbt/sbt_2.8.1/0.13.5/sbt_2.8.1-0.13.5.jar
  
      ==== typesafe-ivy-releases: tried
  
        http://repo.typesafe.com/typesafe/ivy-releases/org.scala-tools.sbt/sbt_2.8.1/0.13.5/ivys/ivy.xml
  
        -- artifact org.scala-tools.sbt#sbt_2.8.1;0.13.5!sbt_2.8.1.jar:
  
        http://repo.typesafe.com/typesafe/ivy-releases/org.scala-tools.sbt/sbt_2.8.1/0.13.5/jars/sbt_2.8.1.jar
  
      ==== Maven Central: tried
  
        http://repo1.maven.org/maven2/org/scala-tools/sbt/sbt_2.8.1/0.13.5/sbt_2.8.1-0.13.5.pom
  
        -- artifact org.scala-tools.sbt#sbt_2.8.1;0.13.5!sbt_2.8.1.jar:
  
        http://repo1.maven.org/maven2/org/scala-tools/sbt/sbt_2.8.1/0.13.5/sbt_2.8.1-0.13.5.jar
  
      ==== Scala-Tools Maven2 Repository: tried
  
        http://scala-tools.org/repo-releases/org/scala-tools/sbt/sbt_2.8.1/0.13.5/sbt_2.8.1-0.13.5.pom
  
        -- artifact org.scala-tools.sbt#sbt_2.8.1;0.13.5!sbt_2.8.1.jar:
  
        http://scala-tools.org/repo-releases/org/scala-tools/sbt/sbt_2.8.1/0.13.5/sbt_2.8.1-0.13.5.jar
  
      ==== Scala-Tools Maven2 Snapshots Repository: tried
  
        http://scala-tools.org/repo-snapshots/org/scala-tools/sbt/sbt_2.8.1/0.13.5/sbt_2.8.1-0.13.5.pom
  
        -- artifact org.scala-tools.sbt#sbt_2.8.1;0.13.5!sbt_2.8.1.jar:
  
        http://scala-tools.org/repo-snapshots/org/scala-tools/sbt/sbt_2.8.1/0.13.5/sbt_2.8.1-0.13.5.jar
  
          ::::::::::::::::::::::::::::::::::::::::::::::
  
          ::          UNRESOLVED DEPENDENCIES         ::
  
          ::::::::::::::::::::::::::::::::::::::::::::::
  
          :: org.scala-tools.sbt#sbt_2.8.1;0.13.5: not found
  
          ::::::::::::::::::::::::::::::::::::::::::::::
  
  :: USE VERBOSE OR DEBUG MESSAGE LEVEL FOR MORE DETAILS
  unresolved dependency: org.scala-tools.sbt#sbt_2.8.1;0.13.5: not found
  Error during sbt execution: Error retrieving required libraries
    (see sample_project/project/boot/update.log for complete log)
  Error: Could not retrieve sbt 0.13.5
  </code></pre>