Added spans around "post anonymously" and "psot anonymously to classmates"…

Added spans around "post anonymously" and "psot anonymously to classmates" labels to allow for adding content via  css ::after

common/static/coffee/spec/discussion/discussion_spec_helper.coffee

@@ -351,13 +351,13 @@ browser and pasting the output.  When that file changes, this one should be rege
             <% if (allow_anonymous) { %>
             <label class="post-option">
                 <input type="checkbox" name="anonymous" class="post-option-input js-anon">
-                post anonymously
+                <span class="js-anon-label">post anonymously</span>
             </label>
             <% } %>
             <% if (allow_anonymous_to_peers) { %>
             <label class="post-option">
                 <input type="checkbox" name="anonymous_to_peers" class="post-option-input js-anon-peers">
-                post anonymously to classmates
+                <span class="js-anon-peers-label">post anonymously to classmates</span>
             </label>
             <% } %>
         </div>

common/templates/discussion/_underscore_templates.html

@@ -427,13 +427,13 @@ from django_comment_client.permissions import has_permission
             ${'<% if (allow_anonymous) { %>'}
             <label class="post-option">
                 <input type="checkbox" name="anonymous" class="post-option-input js-anon">
-                ${_("post anonymously")}
+                <span class="js-anon-label">${_("post anonymously")}</span>
             </label>
             ${'<% } %>'}
             ${'<% if (allow_anonymous_to_peers) { %>'}
             <label class="post-option">
                 <input type="checkbox" name="anonymous_to_peers" class="post-option-input js-anon-peers">
-                ${_("post anonymously to classmates")}
+                <span class="js-anon-peers-label">${_("post anonymously to classmates")}</span>
             </label>
             ${'<% } %>'}
         </div>