[joyent] added stubs for create and delete image
[joyent] added stubs for create and delete image

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