Document change to clashing named route selection from journey commit 98a9802a
Add documentation to ActionDispatch::Request
Add support for generate scaffold password:digest

* adds password_digest attribute to the migration
* adds has_secure_password to the model
* adds password and password_confirmation password_fields to _form.html
* omits password entirely from index.html and show.html
* adds password and password_confirmation to the controller
* adds unencrypted password and password_confirmation to the controller test
* adds encrypted password_digest to the fixture
Merge pull request #9699 from rubys/scaffold_password_digest

Add support for generate scaffold password:digest

* adds password_digest attribute to the migration
* adds has_secure_password to the model
* adds password and password_confirmation password_fields to _form.html
* omits password from index.html and show.html
* adds password and password_confirmation to the controller
* adds unencrypted password and password_confirmation to the controller test
* adds encrypted password_digest to the fixture
Merge pull request #9690 from trevorturk/upgrade-notes

Rails 4 upgrade notes about clashing named route selection changes
Merge pull request #9698 from garethrees/request_documentation

Add documentation to ActionDispatch::Request
Fix docs: response -> request.

Even though I read it carefully, my brain tricked me. :cry:
Add extra clarifying line in docs. [ci skip]
MOAR cleanups.
Merge pull request #9711 from vipulnsward/moar_cleanups

MOAR cleanups of unused variables.