Author: Yair Spielmann
MDL-57734 admin: New setting for when to use the noindex meta tag
http://git.moodle.org/gw?p=moodle.git;a=commit;h=409ad1d60ad84bc506e710183670f5616f81e380
http://github.com/moodle/moodle/commit/409ad1d60ad84bc506e710183670f5616f81e380
+ 3.4 en [allowindexing,core_admin]
+ 3.4 en [allowindexing_desc,core_admin]
+ 3.4 en [allowindexingeverywhere,core_admin]
+ 3.4 en [allowindexingexceptlogin,core_admin]
+ 3.4 en [allowindexingnowhere,core_admin]