Git commits in Moodle 3.0.6 by Tobias Reischmann

commit 2dc2a2b663d421d302f63814db5123792227f2c6
Author: Tobias Reischmann <tobias.reischmann@wi.uni-muenster.de>
Date:   Fri, 10 Jun 2016 20:43:26 +0800
Tag:    v3.0.6

MDL-54892 core: Pass proper parameter for plugin uninstall queries