Add note about geoip checksums
Add note about geoip checksums

blmlove409/nginx_cookbook,fsultan/nginx,spulec/nginx_private,7bfa689ac3c4be50f8ba6c1ea8c5f316/nginx,newlywish/nginx,ttab/nginx,myplaceonline/nginx,chef-cookbooks/chef_nginx,8la/nginx,fsultan/nginx,auth0/chef-nginx,axos88/chef_nginx,gansbrest/nginx,miketheman/nginx,cookbooks/mc-nginx,evertrue/nginx-cookbook,AudaxHealthInc/nginx,periscopedevelopment/nginx,evertrue/nginx-cookbook,chef-cookbooks/chef_nginx,blmlove409/nginx_cookbook,AudaxHealthInc/nginx,luishdez/nginx-cookbook,Altiscale/nginx,Altiscale/nginx,ffuenf/nginx,7bfa689ac3c4be50f8ba6c1ea8c5f316/nginx,luishdez/nginx-cookbook,jharveysmith/nginx,myplaceonline/nginx,periscopedevelopment/nginx,Sauraus/chef_nginx,ffuenf/nginx,Sauraus/chef_nginx,fsultan/nginx,chef-cookbooks/chef_nginx,cokeboL/nginx,cookbooks/oc-nginx,evertrue/nginx-cookbook,feedhenry-cookbooks/nginx,channelgrabber/nginx,8la/nginx,zuazo-forks/opscode-cookbooks-nginx,gansbrest/nginx,zuazo-forks/opscode-cookbooks-nginx,newlywish/nginx,whatcould/nginx,feedhenry-cookbooks/nginx,cpbtechnology/nginx,Lispython/nginx-cookbook,8la/nginx,cpbtechnology/nginx,trotttrotttrott/cookbook-nginx_node-tail,seefood/tengine-cookbook,channelgrabber/nginx,Roblox/chef_nginx,Roblox/chef_nginx,cookbooks/hw-nginx,Sauraus/chef_nginx,luishdez/nginx-cookbook,miketheman/nginx,axos88/chef_nginx,cokeboL/nginx,jharveysmith/nginx,miketheman/nginx,whatcould/nginx,sanguis/nginx,AudaxHealthInc/nginx,channelgrabber/nginx,kri5/nginx,periscopedevelopment/nginx,ttab/nginx,kri5/nginx,7bfa689ac3c4be50f8ba6c1ea8c5f316/nginx,Altiscale/nginx,cpbtechnology/nginx,blmlove409/nginx_cookbook,ffuenf/nginx,Roblox/chef_nginx,newlywish/nginx,auth0/chef-nginx,kri5/nginx,axos88/chef_nginx,cokeboL/nginx,ttab/nginx,gansbrest/nginx