Merge pull request #127 from OpenTreeOfLife/simple-curation-app

Working OTU-mapping tool, w/ AJAX to TNRS
Merge pull request #128 from OpenTreeOfLife/simple-curation-app

Hiding stale "mapped labels" for legacy Nexson
Merge pull request #129 from OpenTreeOfLife/simple-curation-app

Improved OTU mapping hints
Merge pull request #130 from OpenTreeOfLife/simple-curation-app

Improved OTU mapping tools, incl. manual editing
Merge pull request #131 from OpenTreeOfLife/simple-curation-app

Fix for over-aggressive substitutions
Removing console chatter
Switching study-update call to use PUT (vs POST)
More API methods, changes to reflect  CORS support
Cleanup of unneeded URLs in study-creation page
Working UI for supporting files (client only)

This fakes addition of files, needs corresponding API methods on the server side to add and upload.