Log Message:
Changes 0.22:
* Exiv2 utility
  - Fixed time setting of -T option when DST is in effect.
  - Added version hex number to the output of "exiv2 -V".
* Exiv2 library
  - Exif version 2.3 missing tag codes.
  - Tamron 18-270mm lens.
  - Exif 2.3 & DNG 1.2/1.3 tags.
  - Some tests depend on system settings (locale, path, etc).
  - Sort iptc data by record number when encoding.
  - New Tamron 70-300 mm lens improperly recognized.
  - "Assertion `sv == d' failed" in 0.21.1 (r2474).
  - Build failure on MinGW with GCC >= 4.6 because of "-no-undefined".
  - Debug messages of psdimages.cpp go to stdout instead of stderr.
  - PSD resource block handling patch II.
  - Setting metadata on an image should always succeed.
  - Exiv2 fails to write to JPEG with an empty APP13 Photoshop PS3 segment.
  - Wrong ELSE statement in src/CMakeLists.txt.
  - On Windows (MSVC and MinGW builds), charset conversions now use respective
    Windows functions if iconv is not available.
  - Support for Encapsulated PostScript (*.eps) files.
  - The exiv2 library should be re-entrant.
  - Fixed typo: SupplementalCategory -> SupplementalCategories.
  - Added Tokina AT-X 107 AF DX Fish-eye 10-17mm f/3.5-4.5 lens.