title: Magnolia project archetype can not resolve vaadin dependencies
body: <p>I'm trying to create a Magnolia project archetype:</p>
  
  <p>I'm running </p>
  
  <pre><code>mvn archetype:generate -DarchetypeCatalog=http://nexus.magnolia-cms.com/content/groups/public/
  </code></pre>
  
  <p>I choose </p>
  
  <p>5: <a href="http://nexus.magnolia-cms.com/content/groups/public/" rel="nofollow">http://nexus.magnolia-cms.com/content/groups/public/</a> -> info.magnolia.maven.archetypes:magnolia-project-archetype (An archetype to create a Magnolia project (a parent pom and a webapp))</p>
  
  <p>archetype version I choose 1.1.0
  Define value for property 'magnolia-version': 5.0.4</p>
  
  <p>When I run the maven build, the webapp build fails because it cant find some vaadin libraries</p>
  
  <pre><code>[WARNING] The POM for org.vaadin.addons:icepush:jar:0.5.3 is missing, no dependency information available
  [WARNING] The POM for org.vaadin.addons:cssinject:jar:2.0.3 is missing, no dependency information available
  [WARNING] The POM for org.vaadin.addons:gwt-graphics:jar:1.0.0 is missing, no dependency information available
  [WARNING] The POM for org.vaadin.addons:ckeditor-wrapper-for-vaadin:jar:7.8.3 is missing, no dependency information available
  [WARNING] The POM for org.vaadin.addon:easyuploads:jar:7.0.0 is missing, no dependency information available
  [WARNING] The POM for org.vaadin.addons:refresher:jar:1.2.1.7 is missing, no dependency information available
  [INFO] ------------------------------------------------------------------------
  [INFO] Reactor Summary:
  [INFO]
  [INFO] myapp (parent pom) ............................. SUCCESS [0.394s]
  [INFO] myapp: webapp .................................. FAILURE [1.305s]
  [INFO] ------------------------------------------------------------------------
  [INFO] BUILD FAILURE
  [INFO] ------------------------------------------------------------------------
  [INFO] Total time: 1.962s
  [INFO] Finished at: Wed Sep 18 13:53:45 CEST 2013
  [INFO] Final Memory: 7M/121M
  [INFO] ------------------------------------------------------------------------
  [ERROR] Failed to execute goal on project myapp-webapp: Could not resolve dependencies for project myapp-webapp:war:1.0-SNAPSHOT: The following artifacts could not be resolved: org.vaadin.addon:easyuploads:jar:7.0.0, org.vaadin.addons:refresher:jar:1.2.1.7, org.vaadin.addons:cssinject:jar:2.0.3, org.vaadin.addons:icepush:jar:0.5.3, org.vaadin.addons:gwt-graphics:jar:1.0.0, org.vaadin.addons:ckeditor-wrapper-for-vaadin:jar:7.8.3: Failure to find org.vaadin.addon:easyuploads:jar:7.0.0 in http://nexus.magnolia-cms.com/content/groups/public was cached in the local repository, resolution will not be reattempted until the update interval of magnolia.public has elapsed or updates are forced -&gt; [Help 1]
  [ERROR]
  </code></pre>
  
  <p>Do I need to add some maven repository ? </p>