LMS: correcting poorly scoped font-family rule for footer links inside of p, ul, ol elements.

Fix link stylings in LMS and CMS footers

cms/templates/widgets/footer.html

@@ -4,12 +4,12 @@
 <div class="wrapper-footer wrapper">
   <footer class="primary" role="contentinfo">
     <div class="colophon">
-      <p>&copy; ${settings.COPYRIGHT_YEAR} <a href="${marketing_link('ROOT')}" rel="external">${settings.PLATFORM_NAME}</a>.</p>
+      <p>&copy; ${settings.COPYRIGHT_YEAR} <a data-rel="edx.org" href="${marketing_link('ROOT')}" rel="external">${settings.PLATFORM_NAME}</a>.</p>
       ## Site operators: Please do not remove this paragraph! This attributes back to edX and makes your acknowledgement of edX's trademarks clear.
       <p>
 	## Translators: 'EdX', 'edX', 'Studio', and 'Open edX' are trademarks of 'edX Inc.'. Please do not translate any of these trademarks and company names.
 	${_("EdX, Open edX, Studio, and the edX and Open edX logos are registered trademarks or trademarks of {link_start}edX Inc.{link_end}").format(
-	  link_start=u"<a href='https://www.edx.org/'>",
+	  link_start=u"<a data-rel='edx.org' href='https://www.edx.org/'>",
 	  link_end=u"</a>"
 	)}
       </p>
@@ -25,7 +25,7 @@
         </li>
         % if settings.TENDER_DOMAIN and user.is_authenticated():
         <li class="nav-item nav-peripheral-feedback">
-          <a href="http://${settings.TENDER_DOMAIN}/discussion/new" class="show-tender" title="${_('Use our feedback tool, Tender, to share your feedback')}">${_("Contact Us")}</a>
+          <a data-rel="edx.org" href="http://${settings.TENDER_DOMAIN}/discussion/new" class="show-tender" title="${_('Use our feedback tool, Tender, to share your feedback')}">${_("Contact Us")}</a>
         </li>
         % endif
       </ol>