Dumb ssh pubkey callback that prints out the pubkey string and fingerprint.
Fix the formatting with gofmt.
Fix conflict
Clean up the pubkey-to-fingerprint conversion a tad
Use log instead of fmt for debugging output
Shift closures into first-class functions.
Merge pull request #5 from sdboyer/pubkey_fingerprint

Dumb ssh pubkey callback that prints out the pubkey string and fingerprint