Added link to homepage and course page on acctivation

activation_complete.html

@@ -5,4 +5,5 @@
   <h1>Activation Complete!</h1>
   <!-- <p>Now go <a href="/">log in</a> and try the course!</a></p> -->
   <p>Thanks for activating your email. We will notify you as soon as the course starts.</p>
+  <p>For now you can got to the <a href="/">MITx homepage</a> or the <a href="https://6002x.mitx.mit.edu/">6.002x course page</a>.</p>
 </section>

sass/_index-extends.scss

@@ -20,6 +20,7 @@
 
     p {
       margin-bottom: lh();
+      line-height: lh();
     }
 
     h1 {
@@ -37,6 +38,7 @@
 
       li {
         list-style: disc outside none;
+        line-height: lh();
       }
     }
   }