updates from Production version

db/migrate/20140515161337_add_realtime_io_serial_number_to_channels.rb

@@ -0,0 +1,7 @@
+class AddRealtimeIoSerialNumberToChannels < ActiveRecord::Migration
+  def change
+    add_column :channels, :realtime_io_serial_number, :string, :limit => 36
+    add_index :channels, :realtime_io_serial_number
+  end
+end
+