Merge pull request #125 from datadryad/email-article-type

Catch 'Article type' in addition to 'Article Type'
Correct PLoS capitalization
Update submit_datapackage_archive

Update to add language about citing data packages in the article reference list.
Merge pull request #144 from laurawendell/patch-2

Update submit_datapackage_archive
Add journals to the testing config

Reducing erroneous email notifications from the dev server.
Merge branch 'dryad-master' into dryad-dev