Author: Philipp Memmel
MDL-76525 mod_data: Add param validation for data fields
http://git.moodle.org/gw?p=moodle.git;a=commit;h=69d187f94b79207c81f2c9b2bedd224b3b74632a
http://github.com/moodle/moodle/commit/69d187f94b79207c81f2c9b2bedd224b3b74632a
+ 4.0 en [error_invalidparam1,datafield_picture]
+ 4.0 en [error_invalidparam2,datafield_picture]
+ 4.0 en [error_invalidparam4,datafield_picture]
+ 4.0 en [error_invalidparam5,datafield_picture]