LibRaw 0.8.2 available for download

Changes are:

• Bug fixed in Hasselblad .3FR processing code
• Imported dcraw 1.428: fixes for incorrect width set for Nikon D3000
• Enum LibRaw_thumbnail_formats (LIBRAW_IMAGE_*) values changed to
  match values in enum LibRaw_image_formats (LIBRAW_THUMBNAIL_*).
  You need to recompile all sources using these constants.