update UXPL v.0.16.1

lms/templates/seq_module.html

@@ -5,7 +5,7 @@
   <div class="path"></div>
     % if override_hidden_exam:
       <div class="pattern-library-shim alert alert-information subsection-header" tabindex="-1">
-        <span class="pattern-library-shim icon alert-icon icon-bullhorn" aria-hidden="true"></span>
+        <span class="pattern-library-shim icon alert-icon fa fa-bullhorn" aria-hidden="true"></span>
         <div class="pattern-library-shim alert-message">
           <p class="pattern-library-shim alert-copy">
             ${_("This exam is hidden from the learner.")}

lms/templates/user_dropdown.html

@@ -21,10 +21,8 @@ from openedx.core.djangoapps.user_api.accounts.image_helpers import get_profile_
             ${username}
         </a>
         <button type="button" class="menu-button button-more has-dropdown js-dropdown-button default-icon" aria-haspopup="true" aria-expanded="false" aria-controls="${_("Usermenu")}">
-            <span class="icon-fallback icon-fallback-img">
-              <span class="icon icon-angle-down" aria-hidden="true"></span>
-              <span class="text">${_("Usermenu dropdown")}</span>
-            </span>
+              <span class="icon fa fa-caret-down" aria-hidden="true"></span>
+              <span class="sr-only">${_("Usermenu dropdown")}</span>
         </button>
         <ul class="dropdown-menu list-divided is-hidden" id="${_("Usermenu")}" tabindex="-1">
             <%block name="navigation_dropdown_menu_links" >