Revert deletion of the favorite actions

app/Controllers/indexController.php

@@ -96,6 +96,10 @@ class FreshRSS_index_Controller extends Minz_ActionController {
 				case 'a':
 					$hasUnread = $this->view->nb_not_read > 0;
 					break;
+				case 's':
+					// This is deprecated. The favorite button does not exist anymore
+					$hasUnread = $this->view->nb_favorites['unread'] > 0;
+					break;
 				case 'c':
 					$hasUnread = (!isset($this->view->cat_aside[$getId])) || ($this->view->cat_aside[$getId]->nbNotRead() > 0);
 					break;

app/Models/EntryDAO.php

@@ -418,6 +418,10 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 				$where .= 'f.priority > 0 ';
 				$joinFeed = true;
 				break;
+			case 's':
+				// This is deprecated. The favorite button does not exist anymore
+				$where .= 'e1.is_favorite = 1 ';
+				break;
 			case 'c':
 				$where .= 'f.category = ? ';
 				$values[] = intval($id);