* collator crate skeleton and description

* parachain primitives: proof -> witness and egress format

* collation of ingress queues through trait

* add ingress collation test

* structure for collated ingress

* add collated ingress to proposal

* witness -> proof

* ingress collation and candidate creation + code cleanup

* update collator lib to new definitions

* address formatting grumble

Tomasz Drwięga authored Dec 04, 2017 and asynchronous rob committed Dec 04, 2017

* Update primitives.

* Fix validator interface.