Replace grunt with grunt-cli in the README
Replace grunt with grunt-cli in the README

mcanthony/Waves-Effect,fians/Waves,jsermeno/Waves,baegjins/Waves,wiringtheworld/Waves,Papapashu/Waves,luffy94608/Waves,b-cuts/Waves,rockmandew/Waves,dangcheng/Waves,aceforce/Waves