All nodes in one place when no bounds are defined #195
Description
When no bounds tag is specified in the nodes then all
Examples of the behavior:
- https://github.com/clovett/dgml/blob/master/demos/ConditionalStyles/linesofcode.dgml
- https://github.com/clovett/dgml/blob/master/demos/ConditionalStyles/callsequence.dgml
The correct behavior should be to use the Cose layout if no nodes have that 'bounds' tag defined.
