JSTOR - fix Reviews, add callback for multiples
update PICA library catalogs. This will make PICA work for at least a dozen German libraries. I'm leaving the old PICA2 transator in place with lower priority a) because there may be some rare cases where detect fails for regular PICA and b) because it has some minor advantages in some cases, so FF users may prefer it as an option
fix IEEE Xplore for early access articles
fix PICA to use mimeType instead of type and update tests
update IEEE CS and tests for magazine
update JSTOR
[NPG] Attach supplementary info and some useful links
Behavior can be controlled by extensions.zotero.translators.attachSupplementary and supplementaryAsLink
Fix "multiples" mis-detection in some rare cases
Add support for some japanese nature.com pages
[NPG] Fix false "multiple" in detectWeb
[NPG] Correctly handle corporate authors
[NPG] Update tests without hidden prefs
[L'Annee Philologique] Fix test URL
Merge pull request #549 from aurimasv/npg-supp

[NPG] Attach supplementary info and some useful links
Merge pull request #569 from adam3smith/JSTOR

JSTOR - fix Reviews, add callback for multiples
fix ISBN import from Worldcat
fix detect in Time.com, re-enable search
add return false to Open Worldcat search as per @aurimasv
Galegroup - fix attachments&test udpate; Handelszeitung - small fixes to search & date; IRSC - fix for DOI, add callback for multiples; PICA2 - test update; Atlantic: small fix for magazine detect
add Hindawi based on EM
Fix for compatibility with RIS corporate author handling
compatibility updates (via update_compatibility.py)