improve curly bracketing in bibtex and biblatex. closes https://github.com/zotero/translators/pull/728
Merge pull request #752 from adam3smith/curly-bibtex

improve curly bracketing in bibtex and biblatex. closes #728
Merge branch 'master' of https://github.com/zotero/translators into transdev
Add US Frontline News translator