transferred Code Ocean from original repository to GitHub

db/migrate/20140829141913_create_hints.rb

@@ -0,0 +1,12 @@
+class CreateHints < ActiveRecord::Migration
+  def change
+    create_table :hints do |t|
+      t.belongs_to :execution_environment
+      t.string :locale
+      t.text :message
+      t.string :name
+      t.string :regular_expression
+      t.timestamps
+    end
+  end
+end