Merge branch 'object-flow-and-trees' into 'develop'

README.md

sdg-cli/src/main/java/es/upv/mist/slicing/cli/PHPSlice.java

...i/src/main/java/es/upv/mist/slicing/cli/SlicedSDGLog.java

sdg-cli/src/main/java/es/upv/mist/slicing/cli/Slicer.java

sdg-core/pom.xml

sdg-core/src/main/java/es/upv/mist/slicing/arcs/Arc.java

.../java/es/upv/mist/slicing/arcs/pdg/DataDependencyArc.java

.../java/es/upv/mist/slicing/arcs/pdg/FlowDependencyArc.java

...es/upv/mist/slicing/arcs/pdg/ObjectFlowDependencyArc.java

...main/java/es/upv/mist/slicing/arcs/pdg/StructuralArc.java

...v/mist/slicing/arcs/pdg/TotalDefinitionDependenceArc.java

...e/src/main/java/es/upv/mist/slicing/arcs/sdg/CallArc.java

...java/es/upv/mist/slicing/arcs/sdg/InterproceduralArc.java

.../java/es/upv/mist/slicing/arcs/sdg/ParameterInOutArc.java

...rc/main/java/es/upv/mist/slicing/arcs/sdg/SummaryArc.java

...e/src/main/java/es/upv/mist/slicing/graphs/CallGraph.java

.../src/main/java/es/upv/mist/slicing/graphs/ClassGraph.java

...s/upv/mist/slicing/graphs/ExpressionObjectTreeFinder.java

sdg-core/src/main/java/es/upv/mist/slicing/graphs/Graph.java

.../main/java/es/upv/mist/slicing/graphs/augmented/ACFG.java