Completed smart block, playlist, and webstream editor form overhauls

* CC-6088: Smart Block form needs to have a form layout
* CC-6089: Editor view name fields must be made <input> fields
* CC-6103: Cannot create webstreams
* Reworked a big chunk of the smart block editor flow to send only the
  playlist contents back rather than the entire HTML fragment for the
  editor.
* Keep more of the playlist/smartblock editor view persistent across
  saves, generates, and shuffles.

airtime_mvc/application/views/scripts/form/edit-user.phtml

@@ -2,8 +2,10 @@
 <div id="current-user-container">
 
   <?php if(Application_Model_User::getCurrentUser()->isSuperAdmin()) : ?>
-    <div class="user-data" id="user_details_superadmin_message" style="text-align: center;">
-        <?=sprintf(_("<b>Note:</b> You are a special \"Super Admin\" type of user.<br>Account details for Super Admins can be changed in your <a href=\"%s\">Billing Settings</a> instead."), "/billing/client");?>
+    <div id="user_details_superadmin_message">
+        <p class="alert alert-error">
+            <?=sprintf(_("<b>Note:</b> Since you're the station owner, your account information can be edited in <a href=\"%s\">Billing Settings</a> instead."), "/billing/client");?>
+        </p>
         <br><br>
     </div>
   <?php endif; ?>