title: Can't run playn-showcase-java (playn sample)
body: <p>I an doing: <a href="http://code.google.com/p/playn/wiki/GettingStarted" rel="nofollow">http://code.google.com/p/playn/wiki/GettingStarted</a></p>
  
  <p>When I try to do this: 
  Click on playn-showcase-java in the Package Explorer
  Press Command-Shift-F11 or right click and select Run as → Maven test</p>
  
  <p>I am getting this:</p>
  
  <p>Results :</p>
  
  <pre><code>Tests run: 0, Failures: 0, Errors: 0, Skipped: 0
  
  [INFO] 
  [INFO] --- maven-antrun-plugin:1.6:run (default) @ playn-showcase-java ---
  [INFO] Executing tasks
  
  main:
       [java] Exception in thread "main" java.lang.IllegalStateException: Function is not supported
       [java]     at org.lwjgl.BufferChecks.checkFunctionAddress(BufferChecks.java:58)
       [java]     at org.lwjgl.opengl.EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.java:199)
       [java]     at playn.java.JavaGLContext.bindFramebufferImpl(JavaGLContext.java:150)
       [java]     at playn.core.gl.GLContext.viewWasResized(GLContext.java:250)
       [java]     at playn.java.JavaGLContext.initGL(JavaGLContext.java:174)
       [java]     at playn.java.JavaGraphics.init(JavaGraphics.java:155)
       [java]     at playn.java.JavaPlatform.run(JavaPlatform.java:218)
       [java]     at playn.core.PlayN.run(PlayN.java:37)
       [java]     at playn.showcase.java.ShowcaseJava.main(ShowcaseJava.java:28)
       [java] Java Result: 1
  [INFO] Executed tasks
  [INFO] ------------------------------------------------------------------------
  [INFO] Reactor Summary:
  [INFO] 
  [INFO] PlayN Showcase Metaproject ........................ SUCCESS [2.359s]
  [INFO] PlayN Showcase Core ............................... SUCCESS [5.828s]
  [INFO] PlayN Showcase Java ............................... SUCCESS [22.047s]
  [INFO] ------------------------------------------------------------------------
  [INFO] BUILD SUCCESS
  [INFO] ------------------------------------------------------------------------
  [INFO] Total time: 31.125s
  [INFO] Finished at: Thu May 31 12:03:05 EEST 2012
  [INFO] Final Memory: 6M/16M
  [INFO] ------------------------------------------------------------------------
  </code></pre>
  
  <p>I didn't change anything in the code. There are default code of this demo.</p>