[TASK] Update tinymce to version 4.2.5

Contrib/tinymce/langs/ar_SA.js

Contrib/tinymce/langs/bg_BG.js

Contrib/tinymce/langs/eo.js

Contrib/tinymce/langs/hr.js

Contrib/tinymce/langs/ka_GE.js

Contrib/tinymce/langs/ko.js

Contrib/tinymce/plugins/charmap/plugin.min.js

Contrib/tinymce/plugins/image/plugin.min.js

Contrib/tinymce/plugins/imagetools/plugin.min.js

Contrib/tinymce/plugins/legacyoutput/plugin.min.js

Contrib/tinymce/plugins/link/plugin.min.js

Contrib/tinymce/plugins/media/plugin.min.js

Contrib/tinymce/plugins/pagebreak/plugin.min.js

Contrib/tinymce/plugins/paste/plugin.min.js

Contrib/tinymce/plugins/spellchecker/plugin.min.js

Contrib/tinymce/plugins/table/plugin.min.js

Contrib/tinymce/skins/lightgray/skin.min.css

Contrib/tinymce/themes/modern/theme.min.js

Contrib/tinymce/tinymce.min.js

VERSIONS.md