- removed code duplication from XmlFormattingStrategy
- fixed bugs in XAML code completion
- added AssemblyName property to IProjectContent
- do not close insight and completion windows when they are still needed
git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@4280 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61