Added key personnel button element and changed the validation button action to wait until it's present.
updating steps in proposal actions validations rb
Merge branch 'development' of github.com:aheward/kuality-coeus into development

* 'development' of github.com:aheward/kuality-coeus:
  Added key personnel button element and changed the validation button action to wait until it's present.
first successful prop action validation scenario with use of the valation_errors_and_warnings array (per proposal_actions.rb)