Add a submission instructions columns

spec/models/event_spec.rb

@@ -7,6 +7,7 @@
 #  id                           :bigint           not null, primary key
 #  abstract                     :text
 #  comments_count               :integer          default(0), not null
+#  committee_review             :text
 #  description                  :text
 #  guid                         :string           not null
 #  is_highlight                 :boolean          default(FALSE)

spec/models/event_type_spec.rb

@@ -10,6 +10,7 @@
 #  length                  :integer          default(30)
 #  maximum_abstract_length :integer          default(500)
 #  minimum_abstract_length :integer          default(0)
+#  submission_instructions :text
 #  title                   :string           not null
 #  created_at              :datetime
 #  updated_at              :datetime