Xaml Designer:
  - Support IsLocked Design Time Property
  - Support Filtering in Outline View
Outline view : Filtering & Scroll Selected Control into View on Design Area
* Proportional Resize when pressing Ctrl
Fix in design Panel -> element was null
Outline Node.
Show Children of for Example AvalonDock2 in Outline Node
Layout Rounding Design Time Property
Expression Blend sets this Property sometimes
Merge pull request #72 from jogibear9988/WPFDesignerFixes

Wpf designer fixes & Extensions