Notification of string changes

Author: Dongsheng Cai
MDL-24706, update flickr public plugin language string


http://git.moodle.org/gw?p=moodle.git;a=commit;h=ed461e7c0363641b7e904a2962d76dba583d9bf0
http://github.com/moodle/moodle/commit/ed461e7c0363641b7e904a2962d76dba583d9bf0

+ 2.0 en [watermark,repository_flickr_public]