title: Unresolved dependency: org.scala-sbt#sbt;0.13: not found when running sbt 0.13?
body: <p>I have a Scala project consisting of a few ones. I decided to start using sbt <code>0.13</code>. Here is <code>~/sbt/repositories</code>:</p>
  
  <pre><code>[repositories]
    local
    sbt-releases-repo: http://repo.typesafe.com/typesafe/ivy-releases/, [organization]/[module]/(scala_[scalaVersion]/)(sbt_[sbtVersion]/)[revision]/[type]s/[artifact](-[classifier]).[ext]
    sbt-plugins-repo: http://repo.scala-sbt.org/scalasbt/sbt-plugin-releases/, [organization]/[module]/(scala_[scalaVersion]/)(sbt_[sbtVersion]/)[revision]/[type]s/[artifact](-[classifier]).[ext]
    maven-central: http://repo1.maven.org/maven2/
  </code></pre>
  
  <p>But still I get an error:</p>
  
  <pre><code>Getting org.scala-sbt sbt 0.13 ...
  
  :: problems summary ::
  :::: WARNINGS
          module not found: org.scala-sbt#sbt;0.13
  
      ==== local: tried
  
        /home/alex/.ivy2/local/org.scala-sbt/sbt/0.13/ivys/ivy.xml
  
      ==== sbt-releases-repo: tried
  
        http://repo.typesafe.com/typesafe/ivy-releases/org.scala-sbt/sbt/0.13/ivys/ivy.xml
  
      ==== sbt-plugins-repo: tried
  
        http://repo.scala-sbt.org/scalasbt/sbt-plugin-releases/org.scala-sbt/sbt/0.13/ivys/ivy.xml
  
      ==== maven-central: tried
  
        http://repo1.maven.org/maven2/org/scala-sbt/sbt/0.13/sbt-0.13.pom
  
          ::::::::::::::::::::::::::::::::::::::::::::::
  
          ::          UNRESOLVED DEPENDENCIES         ::
  
          ::::::::::::::::::::::::::::::::::::::::::::::
  
          :: org.scala-sbt#sbt;0.13: not found
  
          ::::::::::::::::::::::::::::::::::::::::::::::
  
  
  
  :: USE VERBOSE OR DEBUG MESSAGE LEVEL FOR MORE DETAILS
  unresolved dependency: org.scala-sbt#sbt;0.13: not found
  Error during sbt execution: Error retrieving required libraries
    (see /home/alex/.sbt/boot/update.log for complete log)
  Error: Could not retrieve sbt 0.13
  </code></pre>
  
  <p>If I remove this file then the error remains.</p>