Merge pull request #2 from rewolfe/master

Fixed qa of journal title, changed order of reference title check to match other fields
Merge pull request #3 from rewolfe/master

Got full title by calling CrossRef API with the ISSN
Merge pull request #4 from rewolfe/master

Allow CrossRef year to be one less than the GCIS year
Merge pull request #1 from USGCRP/master

bring branch up to date