adds candidate recruitment project label field

completes #93

app/views/recruiter_mailer/candidate_created.html.inky

@@ -7,8 +7,9 @@
       <strong>Candidate email:</strong> <%= @candidate.email %><br />
       <strong>Candidate ID:</strong> <%= @candidate.test_hash %><br />
       <strong>Years of experience:</strong> <%= @candidate.experience %> Years<br />
+      <strong>Client/Project:</strong> <%= @candidate.project %><br />
     </p>
 
     <p>You will be notified when the candidate has finished taking the test.</p>
   </columns>
-</row>
+</row>

app/views/recruiter_mailer/candidate_created.text.erb

@@ -6,5 +6,6 @@ Candidate name: <%= @candidate.name %>
 Candidate email: <%= @candidate.email %>
 Candidate ID: <%= @candidate.test_hash %>
 Years of experience: <%= @candidate.experience %> Years
+Client/Project: <%= @candidate.project %>
 
 You will be notified when the candidate has finished taking the test.