More readme fixes.
More readme fixes.

lyst/lightfm,CamZHU/lightfm,wavelets/lightfm,maciejkula/lightfm,paoloRais/lightfm,kidaa/lightfm,lenovor/lightfm,shaunstanislaus/lightfm,Geoion/lightfm,xuq/lightfm,igara432/lightfm,alvations/lightfm,rv816/lightfm