Author: Stephen Bourget
MDL-54910 mod_data: Open dates should be before close dates
http://git.moodle.org/gw?p=moodle.git;a=commit;h=316f20a0b66eeecec2c679541f2dc2e32e6cf500
http://github.com/moodle/moodle/commit/316f20a0b66eeecec2c679541f2dc2e32e6cf500
+ 3.2 en [availabletodatevalidation,mod_data]
+ 3.2 en [viewtodatevalidation,mod_data]