Merge pull request #500 from differentreality/typo_phrasing

rephrase closed cfp in splashpage

app/views/conference/_call_for_papers.html.haml

@@ -36,7 +36,7 @@
         .lead
           = link_to "Submit Your Proposals Today", conference_proposal_index_path(@conference.short_title), class: 'btn btn-info', target: '_blank'
     -else
-      %h3 Deadline has ended
+      %h3 Call for Papers is currently closed!
 
 :javascript
   $( document ).ready(function(){