force ./autogen.sh scripts to use automake-1.11

GnuPG does not work with automake 1.14, it has proven reliable on 1.11, and
that's widely available, so we'll add it to the env here, and the
./autogen.sh scripts will pick it up.

http://lists.gnupg.org/pipermail/gnupg-devel/2013-August/027857.html
corrections to English source strings
fix installing libksba tests

The location of the binaries for the tests was changed upstream in libksba
commit 7f9e09611fce8466a98f53c5dfe4bebb398c708f.

http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git;a=commit;h=7f9e09611fce8466a98f53c5dfe4bebb398c708f