Remove information about custom caps, as implementation is not final.
Update Diagram API reference metadata
Update connection API reference. Removed serialize and refresh methods.
Update Connector API reference
Update image names. Fix capitalization.
Remove legacy layout docs. Start splitting visual primitives.
Separate TextBlock docs
Fix typo
Split per-class Diagram docs
Remove layout docs. Merged into API reference.
Split Graph API reference. Remove internal Math helpers.
Revise Link documentation
Don't publish Graph and related classes API reference
Update documentation for diagram drawing primitives