Improve newline handling of XmlDocTooltipProvider.
Avoid keeping the whole AXmlDocument in memory for XamlUnresolvedFile.
Load categories for file/project templates from AddIn-Tree.
Put the SortOrder in the AddIn-Tree; and remove the SortOrder.xml files.
EnhancedScrollBar: put TrackAdorner into the track grid instead of using the adorner layer. This prevents the issue markers from getting lost when switching view contents.
Fix title of EditAvailableConfigurationsDialog