Remove invalid API key
Delete spurious opts argument
Return a list of article id's from the package

These IDs can then be passed ft.get([...]) to retrieve the models. I
don't actually do this in the getter as making excessive HTTP requests is a bit
of a dangerous side effect.
Merge branch 'master' of github.com:Financial-Times/ft-api-client into packaging
Remove unused prototype
Merge branch 'v3' of github.com:Financial-Times/ft-api-client into packaging

Conflicts:
	lib/api.js
Merge pull request #30 from Financial-Times/packaging

Packaging