Add conjunction prior field to GuessingAnalysis. This is passed to
Population for guessing games.
PopulationImpl passes conjunction prior to AgentInteractor.
LanguageGameInteractor passes conjunction prior to Agent.
AgentImpl passes conjunction prior to GuessingAssertionModel.
Remove deprecated conjunction prior field from
ConjunctionGuessingAssertionModel.
Change default conjunction prior in GuessingAnalysis.
Use simple binding instead of factory for creating
GuessingAssertionModel in Guice.
Remove conjunction prior assignment from set-up.
Change GuessingAnalysis constructor.