Merge branch 'V3_API' into V3

www/API/v3/sync.php

@@ -373,7 +373,7 @@
             $str = rtrim($str, ",");
             $str = $str . "}";
             $str = str_replace(",,", ",", $str);
-            if (strlen($str > 0)){
+            if (strlen($str) > 0){
                 log_sync($con, $user, $synced);
                 echo($str);
                 http_response_code(200);

www/actividades/index.php

@@ -160,7 +160,7 @@
                                                     <tr>
                                                         <td></td>
                                                         <td>
-                                                            <a href='<?=$server?>/actividades/<?$r_activity["permalink"]?>'><?=$lng["activities_see_itinerary"]?></a>
+                                                            <a href='<?=$server?>/actividades/<?=$r_activity["permalink"]?>'><?=$lng["activities_see_itinerary"]?></a>
                                                         </td>
                                                     </tr>
 <?php