add new properties and enum to publication json
making dataset an array
Add UI for new publication fields

Also updated Jest tests to cover the new fields.
Merge remote-tracking branch 'origin/master' into 1781-pub-properties
Changed publication url to array of urls
Merge remote-tracking branch 'origin/master' into 1781-pub-properties
Back out testing change to publication test data
Avoid memory leaks from huge string allocations.
See: https://github.com/Pylons/pyramid/pull/1417
update publication.status per NHGRI
Merge pull request #448 from ENCODE-DCC/1781-pub-properties

1781 New publication properties
Merge pull request #451 from ENCODE-DCC/avoid-memory-leaks

Avoid memory leaks from huge string allocations.
jsxhint
Reload the node subprocess when it grows over 256MB
Merge remote-tracking branch 'origin/master' into 1786-library-spikeins-ui