Fix for logins if no full name on Github
Merge branch 'master' into simple-curation-app
Working UI for setting & saving OTU mapping hints

We can set a search context and a series of (regex-powered) substitutions to streamline name mapping in the TNRS. Changes to these are visible in the on-screen 'Modified labels'. All these hints are now saved in the Nexson and available for use by outside mapping tools.