unfinalized candidates model and migration files
unfinalized company model and migration files
unfinalized interview model and migration files
unfinalized employee model and migration files
unfinalized challenge model and migration files
edited Company model
updated Employee model and migration
mend
updated Candidate model and migration
updated Interview model and migration, Interview controller with #show that sets @interview to find_by_identifier
add recommend_hire field it Interview
Merge pull request #2 from andmcgregor/models_migrations

models and migrations:  companies, employees, challenges, candidates, interviews