move avatar url generation into User model
move avatar url generation into User model

STRd6/barnacles,harsha-mudi/lobsters,hlian/barnacles,harsha-mudi/lobsters,harsha-mudi/lobsters,ukazap/lobsters,mojacc/lobsters,aaron-lebo/updn,SIGN-UP/totalitarian.info,SIGN-UP/totalitarian.info,nicholaspsmith/lobster,sboklund/munu.co,saitodisse/lobsters,Bloc/lobsters,fremn/lobstas,miguelcarvajal/lobsters,STRd6/barnacles,ukazap/lobsters,andyyang/lobsters,aaron-lebo/updn,cannikin/lobsters,ukazap/lobsters,owen/lobsters,Denniskevin/lobsters,benrmatthews/servicedesignnews,miguelcarvajal/lobsters,ABorgna/lobsters,ABorgna/lobsters,calblueprint/bp-news,saitodisse/lobsters,nh-platform/barnacles,GetStream/lobsters,mojacc/lobsters,chaica/lobsters,hlian/barnacles,buitranquyet/lobsters,STRd6/barnacles,hlian/barnacles,sboklund/munu,calblueprint/bp-news,udaysinghcode/projecthunt,nicholaspsmith/lobster,harsha-mudi/lobsters,mojacc/lobsters,owen/lobsters,aaron-lebo/updn,fremn/lobstas,STRd6/barnacles,udaysinghcode/projecthunt,aaron-lebo/updn,saitodisse/lobsters,sboklund/munu,andyyang/lobsters,chaica/lobsters,Bloc/lobsters,cannikin/lobsters,SIGN-UP/totalitarian.info,GetStream/lobsters,buitranquyet/lobsters,sboklund/munu,nh-platform/barnacles,miguelcarvajal/lobsters,derekprior/lobsters,owen/lobsters,ukazap/lobsters,Bloc/lobsters,sboklund/munu.co,GetStream/lobsters,andyyang/lobsters,nh-platform/barnacles,calblueprint/bp-news,sboklund/munu.co,Denniskevin/lobsters,GetStream/lobsters,derekprior/lobsters,hlian/barnacles,cannikin/lobsters,chaica/lobsters,Denniskevin/lobsters,benrmatthews/servicedesignnews,Bloc/lobsters,nh-platform/barnacles,SIGN-UP/totalitarian.info,Denniskevin/lobsters,derekprior/lobsters,sboklund/munu,fremn/lobstas,udaysinghcode/projecthunt,benrmatthews/servicedesignnews,cannikin/lobsters,owen/lobsters,ABorgna/lobsters,sboklund/munu.co,saitodisse/lobsters,ABorgna/lobsters,mojacc/lobsters,nicholaspsmith/lobster,chaica/lobsters,buitranquyet/lobsters,buitranquyet/lobsters,derekprior/lobsters