• core/history_api.php:
  (history_get_events_array): Added code to lookup field names in language files.

• doc/Changelog:
  Added bug history enhacement.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@2064 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9