WHAT'S NEW IN 6.x:
- custom icon and library paths for each editor.
- support using different editor templates for differnet textareas in a page.
- alternative editor assignment for user roles.
- theme buttons that provide unlimited theming options.
- Headers (h1, h2, h3, h4) button and separators in default editor.
- changed key variable from "editor" to "BUE". (ex: editor.active is now BUE.active)
- another popup dialog(BUE.quickPop) that has no title or close button.
- jquery effects. (ex: effects in popup openings)