GGI core metrics maintenance and subfamily report requested by SPG.
Merge remote-tracking branch 'upstream3/master'
Use BOLDS web service in GGI connector.
DATA-1358 Paleobiology Database (PBDB) Data Services. Follow-up, remove acceptedNameUsageID and parentNameUsageID if those ID's don't have taxon entries.
Merge pull request #96 from eliagbayani/master

GGI core metrics and PaleoDB connectors.