With the update to onnv_141 the zero-copy API we've been waiting for has been added. This means we can stop faking it in zpios. The zpios code must be updated to use the new API, for now this support is simply disabled.
Closing issue, it's unlikely we'll ever need/want this now that we fall a full ZPL in place.
Enable retrieving key from URI.
+ Enable the curl code that was already there.
+ Fixes #24.