Renamed Vertex to Node

src/main/java/tfm/Main.java

src/main/java/tfm/arcs/Arc.java

src/main/java/tfm/arcs/cfg/ControlFlowArc.java

src/main/java/tfm/arcs/pdg/ControlDependencyArc.java

src/main/java/tfm/arcs/pdg/DataDependencyArc.java

src/main/java/tfm/graphs/CFGGraph.java

src/main/java/tfm/graphs/Graph.java

src/main/java/tfm/graphs/PDGGraph.java

src/main/java/tfm/nodes/CFGNode.java

src/main/java/tfm/nodes/Node.java

src/main/java/tfm/nodes/PDGNode.java

src/main/java/tfm/utils/Scope.java

src/main/java/tfm/variables/actions/VariableAction.java

src/main/java/tfm/variables/actions/VariableDeclaration.java

src/main/java/tfm/variables/actions/VariableDefinition.java

src/main/java/tfm/variables/actions/VariableUse.java

src/main/java/tfm/visitors/CFGVisitor.java

src/main/java/tfm/visitors/PDGVisitor.java