Add new star schema tables
add measures
some initial cleanup of infection simulator
remove useless populationChange measures (infected covers this)
add target to main gitignore
renaming package to .simulator
add CityService reference to WorldQueryService
add new annotated classes to hibernate config
random date +/- 10 years
Fix up WQS call, comment out spread until we have .save() working for events
minor refactors of epidemic simulator