Monkeypatch console.log to force timestamps into all log calls. Fixes #2 again.

@seanmonstar thoughts? Is this dirty/lazy or brilliant? Does what it should, logs onboard deployer go from

````bash
deploy server starting up
code dir is: /home/app/browserid_repo
deployment log dir is: /home/app/deploy_logs
ready
info: checking for updates
deploy server bound
progress: Already up-to-date.
info: latest available sha is f5218dc
resolved login.dev.anosrep.org -> 54.242.215.50
info: current running sha is: f5218dc
info: up to date
warn: Forever detected script exited with code: null
````

to

````bash
2013-07-01T22:43:50.896Z: deploy server starting up
2013-07-01T22:43:50.898Z: code dir is:
2013-07-01T22:43:50.907Z: deployment log dir is:
2013-07-01T22:43:50.917Z: ready
2013-07-01T22:43:50.918Z: info: checking for updates
2013-07-01T22:43:50.934Z: deploy server bound
2013-07-01T22:43:51.182Z: progress: Already up-to-date.
2013-07-01T22:43:51.195Z: info: latest available sha is f5218dc
2013-07-01T22:43:51.276Z: resolved login.dev.anosrep.org -> 54.242.215.50
2013-07-01T22:43:51.284Z: info: current running sha is: f5218dc
2013-07-01T22:43:51.284Z: info: up to date
````