Support collection "download" (show JSON)
Support collection "download" (show JSON)

This could probably be improved by making a proper download request
(setting Content-Disposition header, etc.), but this should be enough to
gauge user interest in this feature.

OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree,OpenTreeOfLife/opentree