Added quantity edit form

Changed quantity long text field width setting

config/routes.rb

@@ -10,17 +10,21 @@ resources :projects do
       post 'toggle', on: :member
     end
     resources :ingredients, :only => [:index, :create, :destroy] do
-      get 'nutrients', on: :collection
-      post 'toggle_nutrient_column', on: :collection
       post 'toggle', on: :member
-      get 'filter', on: :collection
-      get 'filter_nutrients', on: :collection
-      post 'import', on: :collection
+      collection do
+        get 'nutrients'
+        get 'filter'
+        get 'filter_nutrients'
+        post 'toggle_nutrient_column'
+        post 'import'
+      end
     end
     resources :sources, :only => [:index, :create, :destroy]
-    resources :quantities, :only => [:index, :create, :destroy] do
-      post 'toggle', on: :member
-      post 'move/:direction', to: 'quantities#move', as: :move, on: :member
+    resources :quantities, :only => [:index, :create, :edit, :update, :destroy] do
+      member do
+        post 'toggle'
+        post 'move/:direction', to: 'quantities#move', as: :move
+      end
       get 'filter', on: :collection
     end
     resources :units, :only => [:index, :create, :destroy]