Add gfr email address to Exception Notifier.
Add gfr email address to Exception Notifier.

We no longer receive the dev list emails but I still want us to receive
the exception emails.

ggoral/whitehall,YOTOV-LIMITED/whitehall,YOTOV-LIMITED/whitehall,hotvulcan/whitehall,ggoral/whitehall,robinwhittleton/whitehall,robinwhittleton/whitehall,hotvulcan/whitehall,alphagov/whitehall,askl56/whitehall,alphagov/whitehall,askl56/whitehall,YOTOV-LIMITED/whitehall,hotvulcan/whitehall,robinwhittleton/whitehall,ggoral/whitehall,alphagov/whitehall,hotvulcan/whitehall,askl56/whitehall,robinwhittleton/whitehall,YOTOV-LIMITED/whitehall,ggoral/whitehall,askl56/whitehall,alphagov/whitehall