Fix livemongo
Update plan name grandfather -> grandfather-ec2 for consistency.
Server static content if NODE_ENV isn't staging or production.
Set NODE_ENV to 'testing' when running unit tests.
Fix fixture plan name.
Don't to rsync of tools if in testing mode.
Respect 404 etc from box when sending data request.
Refactor of test for data request.
Use dev cobalt when testing as well as staging.
More accurately mock response when testing unit data requests.
Merge branch '20130909-fixing-up-tests' of github.com:scraperwiki/custard into 20130909-fixing-up-tests