Add new seed properties to feature.

spec/features/seeds/adding_seeds_spec.rb

@@ -17,6 +17,10 @@ feature "Harvesting a crop", :js => true do
     within "form#new_seed" do
       fill_in "Quantity:", :with => 42
       fill_in "Plant before:", :with => "2014-06-15"
+      fill_in "Days until maturity:", :with => 999
+      select "certified organic", :from => "Organic?"
+      select "non-certified GMO-free", :from => "GMO?"
+      select "heirloom", :from => "Heirloom?"
       fill_in "Description", :with => "It's killer."
       select "internationally", :from => "Will trade:"
       click_button "Save"