Add deprecated fallback for SSLMiddleware.
Add deprecated fallback for SSLMiddleware.

Kniyl/cartridge,syaiful6/cartridge,traxxas/cartridge,stephenmcd/cartridge,dsanders11/cartridge,Kniyl/cartridge,Parisson/cartridge,Parisson/cartridge,wyzex/cartridge,dsanders11/cartridge,syaiful6/cartridge,Kniyl/cartridge,viaregio/cartridge,dsanders11/cartridge,traxxas/cartridge,wyzex/cartridge,wyzex/cartridge,stephenmcd/cartridge,traxxas/cartridge,jaywink/cartridge-reservable,syaiful6/cartridge,jaywink/cartridge-reservable,ryneeverett/cartridge,stephenmcd/cartridge,wbtuomela/cartridge,ryneeverett/cartridge,ryneeverett/cartridge,jaywink/cartridge-reservable,Parisson/cartridge,wbtuomela/cartridge,wbtuomela/cartridge,viaregio/cartridge