Fix HTML escaping issues with user role icons

app/helpers/user_roles_helper.rb

@@ -1,8 +1,6 @@
 module UserRolesHelper
   def role_icons(user)
-    UserRole::ALL_ROLES.reduce("".html_safe) do |acc, elem|
-      "#{acc} #{role_icon(user, elem)}"
-    end
+    safe_join(UserRole::ALL_ROLES.collect { |role| role_icon(user, role) }.compact, " ")
   end
 
   def role_icon(user, role)

app/views/users/show.html.erb

@@ -2,7 +2,7 @@
   <div id='userinformation'>
     <%= user_image @user %>
     <div class='userinformation-inner'>
-      <h1><%= @user.display_name %><%= role_icons(@user) %></h1>
+      <h1><%= @user.display_name %> <%= role_icons(@user) %></h1>
       <% if current_user and @user.id == current_user.id %>
         <!-- Displaying user's own profile page to themself -->
         <ul class='secondary-actions clearfix'>