Author: David Mudrák
MDL-43896 admin: Fail validation of plugins with $module in version.php
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f5f5a60ac90b4f94ef7e648644bf697b90fddd0d
http://github.com/moodle/moodle/commit/f5f5a60ac90b4f94ef7e648644bf697b90fddd0d
+ 3.0 en [validationmsg_versionphpsyntax,tool_installaddon]