Update the version of the Curate Gem

DLTP-114 - Add ORCID, Scopus, and ResearcherID fields to user.

change to Ruby 2 has syntax

Update curate gem to support DLTP-114 specific fixes

Add "downloads" path to the exclusion list of saved urls for DLTP-9

Ruby 2 syntax
Merge pull request #111 from ndlib/bugfixes_dw

Update the version of the Curate Gem