fix error submitting form when no email addresses

also slight change to ensure confirmation page title is tested - instead of just reference number

I was going to suggest something along the lines of attempt_send_confirmation_email. 

> On 16 Oct 2014, at 22:14, Stevie Graham <notifications@github.com> wrote:
> 
> In app/controllers/claim_reviews_controller.rb:
> 
> > @@ -3,7 +3,7 @@ class ClaimReviewsController < ApplicationController
> >  
> >    def update
> >      claim.submit!
> > -    BaseMailer.confirmation_email(claim, email_address_params).deliver_later
> > +    BaseMailer.confirmation_email(claim, email_address_params).deliver_later if email_address_params.reject(&:blank?).any?
> I looked into it. It will raise an exception saying an email must have a recipient.
> 
> @dan-palmer i thought this too, (3c7b20c) but couldn't think of an appropriate name, e.g. send_confirmation_emails is not right, because it doesn't necessarily do anything. I'm +1 if a sensible method name is found.
> 
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