Author: Dongsheng Cai
"MDL-25633 Filepicker upload should display better error report"
http://git.moodle.org/gw?p=moodle.git;a=commit;h=1298a119357c5db978d55185b2db725ace01f9a6
http://github.com/moodle/moodle/commit/1298a119357c5db978d55185b2db725ace01f9a6
+ 2.0 en [upload_error_ini_size,repository_upload]
+ 2.0 en [upload_error_form_size,repository_upload]
+ 2.0 en [upload_error_partial,repository_upload]
+ 2.0 en [upload_error_no_file,repository_upload]
+ 2.0 en [upload_error_no_tmp_dir,repository_upload]
+ 2.0 en [upload_error_cant_write,repository_upload]
+ 2.0 en [upload_error_extension,repository_upload]