Add package dependency graph builder
Remove old library
Add removal of graph nodes and edges
Remove unnecessary casting
Add package name extension to class members
Drop DependencyGraph/DependencyGraphImpl
Add extraction of non-affecting nodes
Add full rt.jar (1.7.12)
Add package dependency tests
Implement dependency graph reduction
Apply dependency graph reduction to integrated inference test
Rename functions
Rename and simplify "affecting nodes" function
Simplify breadth-first traversal
Extend heap size for tests