Bug 529799 - problem with entries tree in LanguageSettingsEntriesTab

- fix provided by Christian Walther
- fix createTreeForEntries() method to use addTreeListener() instead
  of addPaintListener() to handle resizing
- in TreeListener, define treeExpanded method which uses pack method
  for entries column

Change-Id: I28db2059d3e0561ce9e5e52f569409de9aff9a6d
1 file changed