[R2D] Changes to shape classs
[R2D] Fixed initialization issues with Path objects
[R2D] Switched to a Layout system similar to WPF's
[R2D] minor changes
[R2D] Added experimental support to Depth layer
[R2D] Added UniformStackPanel
[R2D] Fixed some layout issues
Tidied up project files
[R2D] Some shapes were not being initialised properly
[R2D] Fixing Visual Layout issues
[R2D] Added VisualChild Collection to UIElement
[R2D] Fixed TextBlock measuring
[R2D] Refactored LabelBase to TextBlockBase
[R2D] Added Alignment & Depth into Position
[R2D] Added PanelTemplate
[Common] Added PropertyKeyMetadata
[R2D] Fixed layout issues
[R2D] Fixed Shape ScaleXY not taken into account
[Common] Updated external licenses
[R2D] Fixed Canvas layout