wok log groff/receipt

age author description
2019-03-08 Hans-G?nter Theisgen groff: added texinfo to BUILD_DEPENDS
2019-03-08 Hans-G?nter Theisgen updated groff (1.21 -> 1.22.4)
2013-12-02 Pascal Bellard Add some license
2011-12-17 Antoine Bodin groff: pack /usr/share files to the correct path
2011-05-20 Christopher Rogers Up: groff to 1.21.
2010-04-16 Liu Peng Added groff