Merge pull request #7064 from edx/ahsan/tnl-1510-nav-issue-for-footer-and-navigation

<nav> for the footer and navigation does not include aria-label

lms/templates/footer.html

@@ -7,7 +7,7 @@
 <div class="wrapper wrapper-footer">
   <footer>
     <div class="colophon">
-      <nav class="nav-colophon">
+      <nav class="nav-colophon" aria-label="${_('About')}">
       <ol>
           <li class="nav-colophon-01">
           <a id="about" href="${marketing_link('ABOUT')}">
@@ -61,7 +61,7 @@
 	    link_end=u"</a>"
 	)}
       </p>
-        <nav class="nav-legal">
+        <nav class="nav-legal" aria-label="${_('Legal')}">
           <ul>
 	    %if marketing_link('HONOR') and marketing_link('HONOR') != '#':
             <li class="nav-legal-01">

lms/templates/navigation.html

@@ -36,8 +36,8 @@ site_status_msg = get_site_status_msg(course_id)
 % endif
 </%block>
 
-  <header class="global ${"slim" if course else ""}" aria-label="${_('Global Navigation')}">
-    <nav>
+  <header id="global-navigation" class="global ${"slim" if course else ""}" >
+    <nav aria-label="${_('Global')}">
     <h1 class="logo">
       <a href="${marketing_link('ROOT')}">
         <%block name="navigation_logo">