Added discrimination analysis to end2end test.
Implemented StaticDiscriminationAnalysis.
Implemented static discrimination score calculation in
AgentContainerImpl.
Revert "Added discrimination analysis to end2end test."

This reverts commit bcf623eb97d89cc7a0a26620367756a30bfa4ea4.
Encapsulated all uses of Random.
Removed redundant constructor from InterpretationImpl.
Corrected mistake from previous commit.
Implemented MyRandomFake.