v3.3.0

• Reduced likelihood that emails sent by scheduled tasks are detected as spam:
  • Receipient names correctly added.
  • HTML structure improvements.
• Possible to import and update existing samples using their external_key field
  as a unique row identifier.
• Improvements to cascading mark-deletion of sample records.
• New report library/locations/locations_list_3.xml which allows the list to
  be filtered by an intersecting point.
• Support for remote download into Recorder 6 using the original record creator
  as the creator of the record in Recorder 6 (rather than the person doing the
  import).
• New Darwin Core archive download reports for GBIF IPT compatible data
  extraction.
• Darwin Core archive download reports allow BasisOfRecord to be overridden.
• Darwin Core archive download reports remove line breaks from comments.
• Bug fixes to the updating of single attribute values into the reporting
  cache tables in the work queue system.
• Bug fixes around the auto-feed tracking of data into Elasticsearch.
• Fixes to CSV formatting when extracting CSV data from Elasticsearch.
• Bug fixes for upgrades from very old warehouse installations.