add a note about the localhost/127.0.0.1 problem
add a note about the localhost/127.0.0.1 problem

spotify/helios,mavenraven/helios,mattnworb/helios,mattnworb/helios,gtonic/helios,gtonic/helios,spotify/helios,mavenraven/helios,spotify/helios,mattnworb/helios,gtonic/helios,mavenraven/helios