Start work replacing our scheduler with apscheduler
Remove unneeded bit from cron schedule schema
Implement (still a bit broken) adding of jobs to apscheduler
Adjust plugin loading so plugins can still be imported by regular means
Fix running schedules with a single task listed in apscheduler
Adjust apscheduler logging to be quieter unless we are at debug level
Improve apscheduler debug messages to display tasks being scheduled
Fix plugin importing code on python 2.6
Ensure schedules not fired faster than they can finish with new scheduler
Fix running of schedules that were due while daemon was offline
Rename key for advanced schedules from 'cron' to 'schedule' in config
Merge pull request #343 from Flexget/apscheduler

replacing our scheduler with apscheduler