previewer: d3js csv previewer

* Adds d3js csv previewer.

Signed-off-by: Adrian Pawel Baran <adrian.pawel.baran@cern.ch>
Reviewed-by: Jiri Kuncar <jiri.kuncar@cern.ch>
oauthclient: save orcid in extra data

* Saves the orcid of the user in the extra data column of
  remoteACCOUNT.

Signed-off-by: Javier Martin Montull <javier.martin.montull@cern.ch>
oauthclient: missing attribute addition

* Adds missing attribute to `OAuthRejectedRequestError` constructor.
  (closes #2483)

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
sqlalchemy: fix mysql primary key creation

* Fixes checking of Text type supporting the case of NullType
  column type.

Signed-off-by: Leonardo Rossi <leonardo.r@cern.ch>