Author: Petr Škoda
MDL-37186 add the ultimate TinyMCE custom parameter setting
http://git.moodle.org/gw?p=moodle.git;a=commit;h=23ac6ef6c537ae27308be8c830a6ffacea044923
http://github.com/moodle/moodle/commit/23ac6ef6c537ae27308be8c830a6ffacea044923
+ 2.5 en [customconfig,editor_tinymce]
+ 2.5 en [customconfig_desc,editor_tinymce]