doc: fix building of ps and pdf documentation

* doc/gcrypt.texi, doc/gpl.texi, doc/lgpl.texi: fix texinfo errors.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Update .gitignore

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Misc updates from a push branch

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>