Adding "all" option in session list see BT#3368

main/admin/session_list.php

@@ -57,7 +57,7 @@ $column_model   = array(
                         array('name'=>'coach_name',     'index'=>'coach_name',     'width'=>'80',   'align'=>'left', 'search' => 'false'),                        
                         
                         array('name'=>'status',         'index'=>'session_active',  'width'=>'40',   'align'=>'left', 'search' => 'true'
-                        ,'stype'=>'select', 'editoptions' =>array('value' => '1:'.get_lang('Active').';0:'.get_lang('Inactive'))),            
+                        ,'stype'=>'select', 'editoptions' =>array('value' => ':'.get_lang('All').';1:'.get_lang('Active').';0:'.get_lang('Inactive'))),            
                                    
                         array('name'=>'visibility',     'index'=>'visibility',      'width'=>'40',   'align'=>'left', 'search' => 'false'),                        
                         array('name'=>'actions',        'index'=>'actions',         'width'=>'100',  'align'=>'left','formatter'=>'action_formatter','sortable'=>'false', 'search' => 'false')