lk | adds explanatory text to waiting list & disables mark_as_sold button for sold bikes, and removes unused columns

db/migrate/20160731014517_remove_entry_date_column_from_bikes.rb

@@ -0,0 +1,5 @@
+class RemoveEntryDateColumnFromBikes < ActiveRecord::Migration
+  def change
+    remove_column :bikes, :entry_date
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160724130507) do
+ActiveRecord::Schema.define(version: 20160731014517) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -28,7 +28,6 @@ ActiveRecord::Schema.define(version: 20160724130507) do
   end
 
   create_table "bikes", force: :cascade do |t|
-    t.string   "entry_date"
     t.string   "brand"
     t.string   "model"
     t.string   "bike_type"