Scenes Release 1.0.9

Implemented feature to support nested entities

• feat(ContainableRenderableEntity): A new class that can be nested

The class supports functionality to support dynamic resizing by
subclasses based on arbitrary data (such as rendered text size)

• feat(RenderableEntityContainer): A new class containing others

The class supports containing zero or more children and is able to
resize them (and itself) dynamically

• feat(RenderableEntity): Added support for automated clipping

• build(all): Updated for Igis 1.3.3

• docs(all): Updated