Canvas Changes

Support of new 3D node type: CanvasText 
 CGIStudio supports the new node Candera::CanvasText . This represents a text node within 3D for a canvas. Candera::CanvasText supports text styles also known from Candera::TextNode2D . Candera::CanvasText supports different text processings e.g. multiline, word wrap, text truncation (incl. custom text) or text alignment.