dear fly hackers: run node 12 or iojs for developing
dear fly hackers: run node 12 or iojs for developing

alandipert/fly,SerkanSipahi/fly,yang-wei/fly,silverbux/fly,JimChenAnother/fly,alandipert/fly,yang-wei/fly,andrewsokolov/fly,dieface/fly,elton0895/fly,dieface/fly,kesne/fly,elton0895/fly,halhenke/fly,JimChenAnother/fly,kashiro/fly