Adjust course about page social links

Have the course about page's social links point to Stanford accounts.
Also make sure that we link to our own Google Analytics file and
that we don't accidentally link to a university profile (which
doesn't exist).

lms/templates/courseware/course_about.html

@@ -8,7 +8,7 @@
 <%inherit file="../main.html" />
 
 <%block name="headextra">
-  <%include file="../google_analytics.html" />
+  <%include file="/lms/theme-google-analytics.html" />
 </%block>
 
 <%block name="js_extra">
@@ -46,7 +46,7 @@
       <div class="table">
       <section class="intro">
         <hgroup>
-          <h1>${course.number}: ${get_course_about_section(course, "title")}<a href="${reverse('university_profile', args=[course.org])}">${get_course_about_section(course, "university")}</a></h1>
+          <h1>${course.number}: ${get_course_about_section(course, "title")}</h1>
         </hgroup>
 
         <div class="main-cta">
@@ -105,12 +105,10 @@
         <header>
           <div class="social-sharing">
             <div class="sharing-message">Share with friends and family!</div>
-            <a href="http://twitter.com/intent/tweet?text=I+just+registered+for+${course.number}+${get_course_about_section(course, 'title')}+through+@edxonline:+http://www.edx.org${reverse('about_course', args=[course.id])}" class="share">
+            <a href="http://twitter.com/intent/tweet?text=I+just+registered+for+${course.number}+${get_course_about_section(course, 'title')}!+(http://class.stanford.edu)" class="share">
               <img src="${static.url('images/social/twitter-sharing.png')}">
             </a>
-            <a href="http://www.facebook.com/EdxOnline" class="share"> <img src="${static.url('images/social/facebook-sharing.png')}">
-            </a>
-            <a href="mailto:?subject=Take%20a%20course%20with%20edX%20online&body=I%20just%20registered%20for%20${course.number}%20${get_course_about_section(course, 'title')}%20through%20edX:+http://edx.org/${reverse('about_course', args=[course.id])}" class="share">
+            <a href="mailto:?subject=Take%20a%20course%20at%20Stanford%20online!&body=I%20just%20registered%20for%20${course.number}%20${get_course_about_section(course, 'title')}+(http://class.stanford.edu)" class="share">
               <img src="${static.url('images/social/email-sharing.png')}">
             </a>
           </div>