* add new bit_flags column to posts

* conditionally enable embedded notes on a per post basis

db/migrate/20150128005954_add_bit_flags_to_posts.rb

@@ -0,0 +1,6 @@
+class AddBitFlagsToPosts < ActiveRecord::Migration
+  def change
+    execute "set statement_timeout = 0"
+    add_column :posts, :bit_flags, "bigint", :null => false, :default => 0
+  end
+end