wok-next log zopfli/receipt

age author description
2018-06-06 Aleksej Bobylev Up cookutils (1064), gifsicle (1.91), zopfli (1.0.2)
2018-04-21 Aleksej Bobylev xrdp: up 0.9.3.1; zopfli: fix build; gcc61: attempt to fix; add gcc6 (latest among 6.x.x).
2016-02-24 Pascal Bellard Add brotli
2016-02-24 Pascal Bellard Add zopfli