More wording tweaks

app/views/conferences/_call_for_papers.haml

@@ -2,7 +2,7 @@
   expires_in: 1.hour) do
   .col-md-4.col-sm-4.text-center
     %h2
-      Call for Papers
+      Call for Participation
     %p.lead
       We are now accepting proposals for sessions!
     %p

app/views/conferences/_program.haml

@@ -9,8 +9,8 @@
         .col-md-12
           %p.lead.text-center
             %span.notranslate
-              = conference.title
-            has the most awesome program ever!
+              = conference.title.html_safe
+            will have an enaging program!
 
       - unless highlights.blank?
         = render 'highlights', conference_id: conference.short_title,