Fixed #239

Proposals dashboard refactored to dashboard.
Added missing specs for the dashboard.

config/routes/admin.rb

@@ -196,7 +196,7 @@ namespace :admin do
     resources :feeds, only: [:update]
   end
 
-  namespace :proposal_dashboard do
+  namespace :dashboard do 
     resources :actions, only: [:index, :new, :create, :edit, :update, :destroy]
     resources :administrator_tasks, only: [:index, :edit, :update]
   end