Truncated markup can be displayed in forums user profile view

FOR-581

lms/templates/discussion/_js_head_dependencies.html

@@ -1,6 +1,7 @@
 <%namespace name='static' file='../static_content.html'/>
 
 <script type="text/javascript" src="${static.url('js/split.js')}"></script>
+<script type="text/javascript" src="${static.url('js/vendor/jquery.truncate.js')}"></script>
 <script type="text/javascript" src="${static.url('js/jquery.ajaxfileupload.js')}"></script>
 <script type="text/javascript" src="${static.url('js/Markdown.Converter.js')}"></script>
 <script type="text/javascript" src="${static.url('js/Markdown.Sanitizer.js')}"></script>

lms/templates/discussion/mustache/_profile_thread.mustache

@@ -18,7 +18,7 @@
                 </span>
             </p>
         </header>
-        <div class="post-body">{{abbreviatedBody}}</div>
+        <div class="post-body">{{{abbreviatedBody}}}</div>
     </div>
     <div class="local post-tools">
         <a href="{{permalink}}">${_("View discussion")}</a>