Log Message:
sylpheed: Update to 3.7.0

NEWS:
Changes of Sylpheed

* 3.7.0 (stable)

    * The message catalogs were updated.

* 3.7.0beta1 (development)

    * The function to export the address book to CSV files was added.
    * 'Nick Name' column was added to the address book.
    * Context menu was added to the search result of the query search dialog.
    * When attaching UTF-16 text files, they are automatically converted
      into UTF-8 now.
    * Show original From on the summary view if the display-name seems to
      be an e-mail address.
    * The bug that wrong reply target could be selected when the summary was
      sorted by the unread flag (#286).
    * Win32: the bug that Japanese characters were overlapped on printings
      with some font settings was fixed.
    * Win32: the bug that empty lines were not properly spaced on printings
      with some font settings was fixed.