Redirect MDPGA as it is defunct
Redirect MDPGA as it is defunct

This is a temporary fix as there are people agitating for it. Further
down the line we'll add a mechanism for marking organisations as defunct
and giving an explanation of why in a similar way to unpublishing.

https://www.pivotaltracker.com/story/show/49190597

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