* Remove wait_for & associated params
* Upgrade command dict to top-level, remove more wait_for accessories
* We don't need all this anymore
* Update docs
* Update tests to new argspec
* Be a little more explicit about sendonly
Also remove reference to the word provider.
* Add example of prompt and answer
* Fix over-byte
* Update ios tests to call `provider`
To continue to support testing `connection: local`
* Fix command dict handling in ios_user
* Clean up unit tests, too