title: Trying to include GSON in Play! 2.0 project
body: <p>I've added <code>"com.google.gson" % "gson" % "2.2"</code> to my AppDependencies but when I run play update, I get:</p>
  
  <blockquote>
    <p>[info] Updating
    {file:/Users/levinotik/Dev/scala/throw-away/myFirstApp/}myFirstApp...
    [warn]  module not found: com.google.gson#gson;2.1.0<br>
    [warn] ==== local: tried [warn]<br>
    /Users/levinotik/dev/scala/play-2.0.4/framework/../repository/local/com.google.gson/gson/2.1.0/ivys/ivy.xml
    [warn] ==== Typesafe Releases Repository: tried [warn]<br>
    <a href="http://repo.typesafe.com/typesafe/releases/com/google/gson/gson/2.1.0/gson-2.1.0.pom" rel="nofollow">http://repo.typesafe.com/typesafe/releases/com/google/gson/gson/2.1.0/gson-2.1.0.pom</a>
    [warn] ==== Typesafe Snapshots Repository: tried [warn]<br>
    <a href="http://repo.typesafe.com/typesafe/snapshots/com/google/gson/gson/2.1.0/gson-2.1.0.pom" rel="nofollow">http://repo.typesafe.com/typesafe/snapshots/com/google/gson/gson/2.1.0/gson-2.1.0.pom</a>
    [warn] ==== scalajars repo: tried [warn]<br>
    <a href="http://scalajars.org/repository/com/google/gson/gson/2.1.0/gson-2.1.0.pom" rel="nofollow">http://scalajars.org/repository/com/google/gson/gson/2.1.0/gson-2.1.0.pom</a>
    [warn] ==== SecureSocial Repository: tried [warn]<br>
    <a href="http://securesocial.ws/repository/releases/com.google.gson/gson/2.1.0/ivys/ivy.xml" rel="nofollow">http://securesocial.ws/repository/releases/com.google.gson/gson/2.1.0/ivys/ivy.xml</a>
    [warn] ==== public: tried [warn]<br>
    <a href="http://repo1.maven.org/maven2/com/google/gson/gson/2.1.0/gson-2.1.0.pom" rel="nofollow">http://repo1.maven.org/maven2/com/google/gson/gson/2.1.0/gson-2.1.0.pom</a>
    [warn]  ::::::::::::::::::::::::::::::::::::::::::::::<br>
    [warn]    ::          UNRESOLVED DEPENDENCIES         :: [warn]
      :::::::::::::::::::::::::::::::::::::::::::::: [warn]   ::
    com.google.gson#gson;2.1.0: not found [warn]
      :::::::::::::::::::::::::::::::::::::::::::::: [error]
    {file:/Users/levinotik/Dev/scala/throw-away/myFirstApp/}myFirstApp/*:update:
    sbt.ResolveException: unresolved dependency:
    com.google.gson#gson;2.1.0: not found [error] Total time: 4 s,
    completed Dec 20, 2012 10:53:52 PM</p>
  </blockquote>
  
  <p>What do I need to do to fix this?</p>