[guadec-list] Conference Poster

[Andreas Nilsson <lists andreasn se>]

Hi!
Imed, who's our contact at the hackfest venue asked for a poster, so I 
made and sent him this one:
https://github.com/gnome-design-team/gnome-marketing/raw/master/guadec/2015/poster.pdf

Feel free to print a copy and hang at your office or hackerspace.
- Andreas