Don't crash when browse data is missing or unavailable

Instead, just return an empty list.
st@0.2.6
updates dev to handle new Registry architecture
attempts to fill _users collection with filtered data in sample_users.json
checks if users are already in couch
adds admin & makes valid usernames

Conflicts:
	dev/sample_users.json
code cleanup for replicate.js
brings back npm run dev-repl
adds some missing design docs to dev