`aa review` should not ask for username when repo is ssh

[oferb]

$ git remote -v
origin	[email protected]:google/startup-os.git (fetch)
origin	[email protected]:google/startup-os.git (push)

Interestingly, it did successfully push, so unclear why it needed the usename.

[vmax]

@oferb it's not an issue with aa per se, it's just that git could not get authorized by ssh-agent. First of all, let's check whether ssh-agent is running