Merge pull request #1724 from MITx/bug/btalbot/studio-viewlivebutton

studio - "view live version" of unit button label change

cms/templates/unit.html

@@ -40,7 +40,7 @@
         This unit was originally published on ${published_date}.
         % endif
         </p>
-        <a href="${published_preview_link}" target="_blank" class="alert-action secondary">Preview the published version</a>
+        <a href="${published_preview_link}" target="_blank" class="alert-action secondary">View the Live Version</a>
       </div>
       <div class="main-column">
         <article class="unit-body window">