QRZ-267 : Add new Scheduler method: scheduleJob(JobDetail job, Set<Trigger> trigger) to schedule multiple triggers for a job all at once.added the new method, implementing it in QuartzScheduler
QRZ-292 : Scheduler interface : in the method scheduleJobs , the triggers should be part of a Set instead of a ListReplaced List with Set in JobStore and Scheduler interfaces and classes
QTZ-285 : Semaphore interface methods do not require a Connection parameter, except obtainLockand removal from the interface of isLockOwner; for locking clarity sake
