Author: Petr Škoda
MDL-33041 add missing spellchecker lang file and version info
http://git.moodle.org/gw?p=moodle.git;a=commit;h=8421f5ebbfac2befefeb8719a4a69a831994619b
http://github.com/moodle/moodle/commit/8421f5ebbfac2befefeb8719a4a69a831994619b
+ 2.4 en [pluginname,tinymce_spellchecker]