Added pending_invitation scope to User model.
Add 'seen' attribute to Resume model
Updated migration to make 'see'n attribute false by default for resumes.
Permitted 'seen' attribute for resumes.
Added 'seen' attribute at resumes index view.
Added 'seen' attribute at resumes show view.
Catch ActiveRecord::RecordNotFound exception
Updated Resume factory to include a new user and 'seen' attribute.
Added glabal cucumber feature with scenario to check alert message when a user tries to access an unexisting resource.
Added 'seen' and 'unseen' scopes to Resume model.
Invitations cucumber feature minor refactor.
Added link to create a resume at home page. Minor refactor to group actions per user roles.
Remove 'User cannot see the send invitation link' scenario from Invitation feature
Add admin sees admin actions to cucumber Home feature. Add user does not see admin actions to cucumber Home feature.