adding rel-publisher to g+ link
adding rel-publisher to g+ link

gdgberkeley/gdgberkeley.github.io,BruGTUG/BruGTUG.github.io,jhoon/boomerang,emedinaa/boomerang,GDGGhana/GDGGhana.github.io,gdgphilippines/boomerang,gdgphilippines/boomerang,GDGLima/boomerang,gdgphilippines/main,gdgakure/boomerang,GDG-Dusseldorf/gdg-dusseldorf.github.io,GDGGhana/GDGGhana.github.io,jhoon/boomerang,GDGLima/boomerang,Splaktar/boomerang,gdgakure/boomerang,GDG-Boston/boomerang,GDG-Dusseldorf/gdg-dusseldorf.github.io,GDGGhana/GDGGhana.github.io,gdgphilippines/boomerang,GDG-Goiania/gdg-goiania.github.io,GDG-Dusseldorf/gdg-dusseldorf.github.io,GDGGhana/GDGGhana.github.io,tfmorris/boomerang,GDGWellington/GDGWellington.github.io,gdgberkeley/gdgberkeley.github.io,tfmorris/boomerang,GDG-Senador-Canedo/gdg-senador-canedo.github.io,GDG-Boston/boomerang,dbs/boomerang,gdgphilippines/boomerang,gdgphilippines/main,emedinaa/boomerang,GDGWellington/GDGWellington.github.io,gdg-x/boomerang,Splaktar/boomerang,dbs/boomerang,gdgphilippines/main,GDGGhana/GDGGhana.github.io,gdgphilippines/main,BruGTUG/BruGTUG.github.io,gdgphilippines/main,GDGLegon/GDGLegon.github.io,gdg-x/boomerang,GDGLegon/GDGLegon.github.io,GDG-Senador-Canedo/gdg-senador-canedo.github.io,gdgphilippines/boomerang,GDG-Goiania/gdg-goiania.github.io