Merge pull request #178 from PeerJ/add-license-1

Adds MIT license

Merge pull request #176 from PeerJ/dagger-for-deceased

Merge pull request #175 from PeerJ/add-group-author

Use dagger unicode for deceased author

Update to add group authors to ris

Add group author to bibtex

fix typo

Merge pull request #174 from PeerJ/173-dont-add-verision-to-database-doi

don't add version on to resource Url

Merge pull request #172 from PeerJ/171-add-url-as-parameter-to-posted-content

Add to posted-content a optional URL parameter, closes #171

Merge pull request #170 from PeerJ/fix-doaj

fix doaj, use xslt

Merge pull request #169 from PeerJ/168-extend-optional-issn-support