Adding joyent provider back to Providers.json
Adding joyent provider back to Providers.json

bunglestink/pkgcloud,apla/pkgcloud,andrewsomething/pkgcloud,songanbui/pkgcloud,temka1234/pkgcloud,hacor/pkgcloud,dionjwa/pkgcloud,Phanatic/pkgcloud,Phanatic/pkgcloud,Hopebaytech/pkgcloud,pkgcloud/pkgcloud,mcanthony/pkgcloud,mdsummers/pkgcloud,DonSchenck/pkgcloud