Fixed accidental dependency on libgcrypt 1.3.0.
good chance that gpg2 will now work. Other cleanups. Updated gettext.
(min_automake_version): New. * LINGUAS: Added all languages we supported in 1.2.5. Copied all po files from 1.2.5. * autogen.sh: Updated to the modern version, grepping the required tool versions from configure.ac.