title: how to run maven build in Cloud9
body: <p>I am just trying Cloud9 ide, I successfully forked my github repository and placed settings.xml to $HOME/.m2/ directory. </p>
  
  <p>When I am trying to build <strong>mvn clean install</strong> I am getting below error</p>
  
  <hr>
  
  <pre><code>[INFO] Error building POM (may not be this project's POM).
  
  
  Project ID: com.temenos.interaction:com.temenos.interaction.rimdsl.parent
  
  Reason: Cannot find layout implementation corresponding to: 'p2' for remote repository with id: 'p2.eclipse.kepler'. for project com.temenos.interaction:com.temenos.interaction.rimdsl.parent
  
  
  [INFO] ------------------------------------------------------------------------
  [INFO] Trace
  org.apache.maven.reactor.MavenExecutionException: Cannot find layout implementation corresponding to: 'p2' for remote repository with id: 'p2.eclipse.kepler'. for project com.temenos.interaction:com.temenos.interaction.rimdsl.parent
          at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:404)
          at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:272)
          at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
          at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
          at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:606)
          at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
          at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
          at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
          at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
  Caused by: org.apache.maven.project.ProjectBuildingException: Cannot find layout implementation corresponding to: 'p2' for remote repository with id: 'p2.eclipse.kepler'. for project com.temenos.interaction:com.temenos.interaction.rimdsl.parent
          at org.apache.maven.project.DefaultMavenProjectBuilder.buildArtifactRepositories(DefaultMavenProjectBuilder.java:949)
          at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1206)
          at org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:823)
          at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:508)
          at org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:200)
          at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:604)
          at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:487)
          at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:560)
          at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:560)
          at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:391)
          ... 12 more
  Caused by: org.apache.maven.artifact.InvalidRepositoryException: Cannot find layout implementation corresponding to: 'p2' for remote repository with id: 'p2.eclipse.kepler'.
          at org.apache.maven.project.ProjectUtils.getRepositoryLayout(ProjectUtils.java:157)
          at org.apache.maven.project.ProjectUtils.buildArtifactRepository(ProjectUtils.java:110)
          at org.apache.maven.project.ProjectUtils.buildArtifactRepositories(ProjectUtils.java:56)
          at org.apache.maven.project.DefaultMavenProjectBuilder.buildArtifactRepositories(DefaultMavenProjectBuilder.java:942)
          ... 21 more
  Caused by: org.codehaus.plexus.component.repository.exception.ComponentLookupException: Component descriptor cannot be found in the component repository: org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayoutp2.
          at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:323)
          at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:440)
          at org.apache.maven.project.ProjectUtils.getRepositoryLayout(ProjectUtils.java:153)
          ... 24 more
  </code></pre>
  
  <hr>
  
  <p>now my question is how do I enable to download artifacts from different repository?
  is there any setting for Cloud9 workspace?</p>