Performs a webfinger lookup and return the JSON serialization of the result.
Example:
node bin/webfinger.js eschnou@identi.ca
Output:
{ alias:
[ 'http://identi.ca/user/16106',
'http://identi.ca/eschnou' ],
links:
[ { href: 'http://identi.ca/eschnou',
type: 'text/html',
rel: 'http://webfinger.net/rel/profile-page' },
{ href: 'http://identi.ca/eschnou/hcard',
type: 'text/html',
rel: 'http://microformats.org/profile/hcard' }]}