Rename image_description column to image_title on budget investments.

db/migrate/20170620105137_rename_image_description_to_image_title_on_budget_investments.rb

@@ -0,0 +1,5 @@
+class RenameImageDescriptionToImageTitleOnBudgetInvestments < ActiveRecord::Migration
+  def change
+    rename_column :budget_investments, :image_description, :image_title
+  end
+end

db/schema.rb

@@ -165,7 +165,7 @@ ActiveRecord::Schema.define(version: 20170918231410) do
     t.string   "image_content_type"
     t.integer  "image_file_size"
     t.datetime "image_updated_at"
-    t.string   "image_description"
+    t.string   "image_title"
   end
 
   add_index "budget_investments", ["administrator_id"], name: "index_budget_investments_on_administrator_id", using: :btree