[NPG] Supplement EM data with RIS (if we can find it)
[NPG] Tweaks to author handling, ISSN, and abstract
fix Twitter translator
[NPG] Don't break when ISSN is missing
[NPG] add support for ToC
[NPG] Add more multiples. Remove check for multiple nodes so that errors get reported
Merge pull request #519 from aurimasv/nature

[NPG] Supplement EM data with RIS (if we can find it)
[ISI WoK] Add some debugging code
[ISI WoK] More debug code for import translator
[ISI WoK] Show the URL that we pick up for POST request before it's modified by Zotero
add DART Europe translator
add translator for SAE Papers - may be useful later for Standards also
[Embedded Metadata] Use namespaces in xpaths so that we can navigate xhtml documents
update PICA to add edition and deal with multiple author/editor entries (without using the COinS at all this would be much easier, so we could consider throwing the COinS authors out from the start)
small fixes: CSM, Google Blogs, FAZ, Radio Free Europe
test updates: CiteUlike, eMedicine, Epicurious, REDALYC
compat update: CLASE, DART-Europe, In These Times, Legifrance, Mailman
base IoP on embedded metadata. Data looks great, we save the DOI request & we gain abstract, language, journal abbr. and more consistent authors. Downside is missing last page, which also isn't in exportable RIS/bibtex.
fix notes in OCLC FirstSearch
small fixed for BiblioCommons and SRF
World History Connected - update and select callback;
Copernicus - test update
CAIRN - compat update
IEEE Xplore fix bibtex keywords so we won't get empty tags