Changes to signed-out.html (#161)

Changed H1 to 'Record a vaccination' and changed 'You are not signed
in.' to 'You are not logged in.'

Author: Anna-Sutton

app/views/signed-out.html

@@ -12,9 +12,9 @@
   <div class="nhsuk-grid-row">
     <div class="nhsuk-grid-column-two-thirds">
 
-      <h1 class="nhsuk-heading-l">Welcome to Record a vaccination service (RAVS)</h1>
+      <h1 class="nhsuk-heading-l">Record a vaccination</h1>
 
-      <p>You are not signed in.</p>
+      <p>You are not logged in.</p>
 
       {{ button({
         text: "Log in",