Revert "tune tinymce fontsize"

This reverts commit c1b8a3e7f19653e28fed7349e22a59882fdc3a21.
Revert "tinymce-based editor"

This reverts commit c1b0128af536e473425b21b573a493b3f705a7db.
change wysiwyg editor to bootstrap html5 wysiwyg