wysiwyg 5.x-2.0

Changes since DRUPAL-5--2-0-ALPHA1:

• #449134 by sun: Fixed stylesheets of theme missing in node form previews.
• #320562 by sun: Changed location for external editor libraries.
• #373542 by sun: Fixed encoding of HTML entities for certain languages.
• #478324 by jeffschuler: Fixed typo in profile configuration form.
• #445826 by TwoD: Fixed FCKeditor: Drupal.wysiwyg.activeId not updated.
• #470928 by jfh, sun: Fixed Drupal.wysiwyg.clone turns arrays into objects.
• #362137 by jfh: Added WYMeditor support.
• #332139 by sun: Fixed editor must not be changed when profile is configured.
• #342864 by davexoxide, sun: Added YUI editor support.
• #429926 by TwoD, sun: Fixed TinyMCE broken due to renamed Flash/Media plugin.
• #328252 by sun: Added TinyMCE plugin BBCode for 3.x.
• #362137 by jfh, sun: Fixed WYMeditor broken when JS/CSS aggregation is enabled.
• by sun: Added openWYSIWYG editor support.
• by sun: Fixed markItUp button icons are not displayed.
• #341054 by sun: Fixed toggle link configuration setting not working.
• #479514 by TwoD, sun: Added native plugin support for FCKeditor.
• #434590 by sun: Fixed path admin/settings/wysiwyg not found.
• #479514 by sun: Fixed native plugin loading for TinyMCE (follow-up).
• #485264 by sun: Changed installation instructions to be more concise.
• #407014 by sun: Fixed/removed migration from other editor integration modules.
• #331089 by wwalc: Fixed FCKeditor toolbar buttons do not wrap.
• by sun: Major code clean-up.
• #474908 by TwoD: Fixed Teaser break causing error in IE8.