Rename span_order to order_id
Rename span_order to order_id

To make the system more general. Type is also changed from integer to
text to be able to store different types of order numbers.

fredsod/NIPAP,SpriteLink/NIPAP,SpriteLink/NIPAP,SoundGoof/NIPAP,SoundGoof/NIPAP,fredsod/NIPAP,bbaja42/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,plajjan/NIPAP,garberg/NIPAP,garberg/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,SpriteLink/NIPAP,bbaja42/NIPAP,SoundGoof/NIPAP,ettrig/NIPAP,fredsod/NIPAP,SpriteLink/NIPAP,ettrig/NIPAP,bbaja42/NIPAP,plajjan/NIPAP,plajjan/NIPAP,ettrig/NIPAP,garberg/NIPAP,plajjan/NIPAP,SoundGoof/NIPAP,SpriteLink/NIPAP,plajjan/NIPAP,ettrig/NIPAP,SoundGoof/NIPAP,bbaja42/NIPAP,fredsod/NIPAP,garberg/NIPAP,ettrig/NIPAP,SoundGoof/NIPAP,garberg/NIPAP,plajjan/NIPAP,fredsod/NIPAP,garberg/NIPAP,bbaja42/NIPAP