Add @andywingo ssh pubkey

* authorized_keys: Add my key.
Merge pull request #276 from andywingo/authorized-key

Add @andywingo ssh pubkey
Add @dpino ssh pubkey
Merge pull request #277 from dpino/patch-1

Update authorized_keys
Add tupty's public key to authorized_keys
Merge pull request #278 from gth828r/master

Add tupty's public key to authorized_keys