Minor tweaks to paper
Added some observations and fixed a few typos
Added class dependency simulator
Merge pull request #9 from malaverdiere/feature/rbclassload2

Feature/rbclassload2
adding copyright notice
Added references to paper
Added visualization improvements
Built summary of class associations in our code and soot's (soot is at the signature level
Added summary of class associations without sun.* and java.nio*
WIP cleaned up comparison graph
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