[joseo] [Agrega lienzo para grafo y conecta API] [#27 #28]
[joseo] [Modifica visibilidad de variables estáticas de API] [#27 #48]
[joseo] [Implementa visualización de grafos] [#27]
Merge branch 'joseo'

Conflicts:
	CC4401Plugins/GraphvizView/src/GraphvizView/GraphvizView.java