How do you enable auto login on F19 with Mate Desktop?

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http://www.linuxquestions.org – I am trying to figure out how to enable auto login in F19 with Mate desktop. It was suggested on another forum to go to /etc/gdm/custom.config and edit the file. However I can't find that file on Mate and think it may only be found on Gnome. I was using Gnome with F17 in forced fallback mode and really liked how simple it was to find the file or program you wanted. Since they changed Gnome so much I decided to go with Mate as it seems very similar to Gnome in forced fallback. Gnome had an easy way to set up auto login but I can't seem to find any way to do that in Mate. Any help someone (HowTos)