Add badge type to user card on hover

Closes #46 (closed).

app/views/badges/_badge.html.erb

@@ -3,6 +3,7 @@
 <% end %>
 
 <% is_small ||= false %>
+<% badge_type ||= '' %>
 
 <span class="tooltip" id="<%= dom_id badge %>">
   <span class="user-badge <%= css_class if defined?(css_class) %>">
@@ -13,7 +14,7 @@
   </span>
   <span style="white-space: normal;" class="tooltip-text">
     <%= is_small ?
-          "This user has been awarded the '#{badge.title}' badge."
+          "This user was awarded a #{badge_type} '#{badge.title}' badge."
           : badge.description %>
   </span>
 </span>
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