OpenTreeOfLife/phylesystem-api — pull request #124 by jimallman (2014-09-30 18:51:44+00:00)
Title: Ignore invalid DOI when creating a study

If someone enters an invalid DOI, or another URL entirely, don't bother trying to retrieve its publication reference info from CrossRef.org.

Instead, create a blank study "from scratch" and apply the DOI/URL exactly as entered.

Fixes #424