Author: Simey Lameze
MDL-49114 environment: add slasharguments warning message
http://git.moodle.org/gw?p=moodle.git;a=commit;h=22335cfd9d3f60d3e378311ed92a54ce10ca052b
http://github.com/moodle/moodle/commit/22335cfd9d3f60d3e378311ed92a54ce10ca052b
+ 2.7 en [slashargumentswarning,core_admin]