Author: Petr Škoda
MDL-37186 add the ultimate TinyMCE custom parameter setting
http://git.moodle.org/gw?p=moodle.git;a=commit;h=544f0f9b11d805cbe0ce6f5d0415d0b99e6ae621
http://github.com/moodle/moodle/commit/544f0f9b11d805cbe0ce6f5d0415d0b99e6ae621
+ 2.4 en [customconfig,editor_tinymce]
+ 2.4 en [customconfig_desc,editor_tinymce]