Merged concept and node models into one single ConceptNode model.
Parser now uses concept nodes.
Indentation and added tests to deploy.
Added extent properties to diagrams.
Minimal application view.
Added a diagram that actually works!
Remove computeExtent method from diagram.
Added margin to diagram view.
Create unique ids for created models.
typo
modularize code a bit, make view react to model changes and window resizes.