Revert "Remove logstasher configuration"
Revert "Remove logstasher configuration"

This has to be in the app due to the way Logstasher interacts with the stack.

This reverts commit 4b4e003632d3fa497b8015c7c73f3708359bc029.

Conflicts:
	config/environments/production.rb

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