API documentation - Deployment Service

List 'o stuff:

1. validation of fields
2. error codes
3. end points
4. fields that are required v. optional
5. fields that are read only v. mutable
6. Scheduled Deployment endpoint prevents same day scheduling. requires next day.
7. Scheduled deployment uses reseller time zone, not UTC
8. Deployments have a max budget.
9. Misc budget validation rules for SE minimums

Deployment endpoint must make it very clear that deployments are immediate and will start spending money on Google.

Must document that if they allow customization in AML UI, then they will always have to get current order for all current values including budget, URL, ad extensions.