Adds new Pattern and Composite link routers.
Features
- Pattern router - Route links by applying a pattern that results in paths not crossing nodes.
- Composite router - Pass a link through a sequence of routers until it gets routed successfully.
- SvgExporter improvements
- Item's Opacity is now set as SVG 'opacity' attribute.
- Item's 'FontWeight 'is now set as SVG 'font-weight' attribute.
- 'SvgExporter' now sets more precise font size.
- Disabling 'AvoidOverlaps' now lets you create routes with overlapping segments.