Made getting tasks from ingest schedulers thread-safe
Renamed file ingest scheduler method
Resolved merge conflicts due to internationalization of ingest scheduler
Renamed IngestScheduler.FileIngestScheduler method
Renamed another IngestScheduler.FileIngestScheduler method
Added null cehck to IngestScheduler.FileIngestScheduler
Merge pull request #636 from rcordovano/ingest_scheduler_fixes

Ingest scheduler fixes