Bug # 1769 when a new trend is added via REST API, immediately backfill it, reload it, and then return it in the REST API call
Merge branch 'develop' of https://github.com/TID-Lab/aggie into develop

# By David Brooks
# Via David Brooks
* 'develop' of https://github.com/TID-Lab/aggie:
  Bug #1761 No way to clear date/time filter
  Bug #1761 No way to clear date/time filter