Make it clearer what the rummager rake tasks do
Make it clearer what the rummager rake tasks do

It wasn't clear that these tasks index more than just "documents". In
fact they either index detailed guides, or everything else that is
searchable.

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