About: Allow visitors to add tags to photos
Compatible with: 2.1
New languages: Latviešu [LV] Total : 7
* Fix translation issue
* Fix bugs with special configuration params :
- $conf['question_mark_in_urls'] = false;
- $conf['php_extension_in_urls'] = false;
* Prepare piwigo release 2.2 (func_combine_script instead of func_known_script)