v19.12.0: add consent resource local object (#500)

* bump everything that can be safely bumped and flag body-parser as a dep

* downgrade mocha so coverage report does not hang
 🐿 v2.8.0

* add body-parser to dependencies
 🐿 v2.8.0

* add semicolon in log-vary
 🐿 v2.8.0

* add consent middleware
 🐿 v2.8.0

* add consent middleware test
 🐿 v2.8.0

* lint
 🐿 v2.8.0

* update readme
 🐿 v2.8.0

* downgrade fetch-mock because node 6
 🐿 v2.8.0

* no need for globals in test
 🐿 v2.8.0