- create "Exif date" (and min exif infos) for pictures without exif (so all picture in jbrout shoud have now an exifdate). This pictures appears with red border.
- file date system are no more unchanged (needed for backup tools like rsync ...)
- use only external tools : exiftran on linux / jpegtran on windows ... for rotation lossless
- aurorotation back again by default (but import is a lot faster without)
- more unittests
- bug corrected : delete of a non-existing folder works now
- bug corrected : tag from digikam are cleaned (ends with 0x00), and don't crash jbrout


git-svn-id: https://jbrout.googlecode.com/svn/trunk@83 b4d1b9c4-0e25-0410-a282-091a75307ab2