title: log4j alignment
body: <p>By checking IntelliJ IDEA's log output, I noticed the alignment was very nice (due amongst other to the fact that class names are right aligned and trimmed).</p>
  
  <p>How do you do this using log4J?  Do you need a special appender?</p>
  
  <pre><code>2011-01-08 00:48:53,938 [   2537]   INFO - ellij.vfs.persistent.FSRecords - Marking VFS as corrupted 
  2011-01-08 00:48:53,987 [   2586]   INFO - api.vfs.impl.local.FileWatcher - Native file watcher is operational. 
  2011-01-08 00:48:54,034 [   2633]   INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/other.xml file is null 
  2011-01-08 00:48:54,035 [   2634]   INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/other.xml 
  2011-01-08 00:48:54,046 [   2645]   INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/project.default.xml file is null 
  2011-01-08 00:48:54,047 [   2646]   INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/project.default.xml 
  2011-01-08 00:48:54,051 [   2650]   INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/options.xml file is null 
  2011-01-08 00:48:54,051 [   2650]   INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/options.xml 
  2011-01-08 00:48:54,295 [   2894]   INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/filetypes.xml file is null 
  2011-01-08 00:48:54,295 [   2894]   INFO - .impl.stores.XmlElementStorage - Document was not loaded for $APP_CONFIG$/filetypes.xml 
  2011-01-08 00:48:54,342 [   2941]   INFO - .history.utils.LocalHistoryLog - local history version mismatch (was: 0, expected: 5), rebuilding... 
  2011-01-08 00:48:54,342 [   2941]   INFO - .history.utils.LocalHistoryLog - FS has been rebuild, rebuilding local history... 
  </code></pre>