Convert the easy ISO-8859 text to UTF-8. The difficult ISO-8859 text will will be eliminated by future commits.
* digita.c: Replace gp_camera_progress by gp_context_progress_*. git-svn-id: https://svn.code.sf.net/p/gphoto/code/trunk/libgphoto2@3888 67ed7778-7388-44ab-90cf-0a291f65f57c