Log Message:
Update to 0.33:

* Fix support for srcdir != builddir during make dist/distcheck
  -- bug #159846 (Rodney Dawes)
* Ignore empty strings in XML files that are marked for translation
  -- bug #163689 (Miloslav Trmac)
* Add support for AC_CONFIG_MACRO_DIR to intltoolize
  -- bug #160943 (James Henstridge)
* Re-implement "echo -n" in perl for portability
  -- bug #162027 (Rodney Dawes)
* Fix local mode
  -- bug #163981 (Jeremy Katz)
* Fix nested XML tags translation when only attributes are marked for
  translation in a tag
  -- bug #159511 (Danilo Segan)
* Use # as sed separator and prefix gettext variable names with INTLTOOL
  -- bug #156454 (Rodney Dawes)
* Update serial and serial comparison check for IT_PROG_INTLTOOL to 2
  (Rodney Dawes)
* Support CDATA sections in XML files
  -- bug #157718 (Danilo Segan, Rodney Dawes)