major changes to support vnurses being able to v everybody
Validation to update completed proc page for v nurses. Tests do not pass.
Tests pass.

Needed to put method logged_in_user into application_controller.rb and
label it as a 'helper_method'
Added index for completed procs

Show procs for logged in nurse that haven't been validated.
Updated tests

Headless javascript, extra test for submitting a proc.