Changed the delete of batch records to happen in bulk
Renamed imports to batch
Hide the sire and dam fields when greyhound does not have a sire and dam
Added uploading status and only change batch to awaiting processing after successful upload
Changed the name of the mongo helper find to be find
Removed unused status
Added admin section of the site for bulk data deletion
Added uuid lib, and gridfs lib. Updated csv lib.
Removed unused file
Re-wrote batch system
Updated batch tests and added back batch updated