Added entry for the Foursquare provider.
Added entry for the Foursquare provider.

muravjov/authomatic,dougchestnut/authomatic,kshitizanand/authomatic,scorphus/authomatic,dougchestnut/authomatic,liorshahverdi/authomatic,scorphus/authomatic,dougchestnut/authomatic,jasco/authomatic,scorphus/authomatic,authomatic/authomatic,muravjov/authomatic,scorphus/authomatic,garg91824/authomatic,artitj/authomatic,erasanimoulika/authomatic,kshitizanand/authomatic,erasanimoulika/authomatic,garg91824/authomatic,scorphus/authomatic,c24b/authomatic,muravjov/authomatic,vivek8943/authomatic,farcaz/authomatic,leadbrick/authomatic,jasco/authomatic,leadbrick/authomatic,liorshahverdi/authomatic,farcaz/authomatic,erasanimoulika/authomatic,peterhudec/authomatic,c24b/authomatic,touilleMan/authomatic,artitj/authomatic,dougchestnut/authomatic,daherk2/authomatic,dougchestnut/authomatic,daherk2/authomatic,farcaz/authomatic,touilleMan/authomatic,vivek8943/authomatic,kshitizanand/authomatic,touilleMan/authomatic,touilleMan/authomatic,peterhudec/authomatic,vivek8943/authomatic,artitj/authomatic,daherk2/authomatic,c24b/authomatic,authomatic/authomatic,farcaz/authomatic,garg91824/authomatic,peterhudec/authomatic,liorshahverdi/authomatic,authomatic/authomatic,leadbrick/authomatic,farcaz/authomatic,leadbrick/authomatic,jasco/authomatic,leadbrick/authomatic