update annotations

app/models/inter_library_loan.rb

@@ -92,6 +92,6 @@ def self.initial_state
 #  return_shipped_at    :datetime
 #  return_received_at   :datetime
 #  deleted_at           :datetime
-#  created_at           :datetime         not null
-#  updated_at           :datetime         not null
+#  created_at           :datetime
+#  updated_at           :datetime
 #

app/models/inter_library_loan_transition.rb

@@ -11,10 +11,10 @@ class InterLibraryLoanTransition < ActiveRecord::Base
 # Table name: inter_library_loan_transitions
 #
 #  id                    :integer          not null, primary key
-#  to_state              :string(255)
-#  metadata              :text             default("{}")
+#  to_state              :string
+#  metadata              :text             default({})
 #  sort_key              :integer
 #  inter_library_loan_id :integer
-#  created_at            :datetime         not null
-#  updated_at            :datetime         not null
+#  created_at            :datetime
+#  updated_at            :datetime
 #

spec/dummy/db/migrate/20150221063719_add_settings_to_library_group.rb

@@ -0,0 +1,5 @@
+class AddSettingsToLibraryGroup < ActiveRecord::Migration
+  def change
+    add_column :library_groups, :settings, :text
+  end
+end