Added .gitignore created by Meteor
Updated package based on current accounts-github

Updated the package to match new structure for accounts packages
introduced in Meteor 0.6.4.

Now depends on the foursquare package
(https://atmosphere.meteor.com/package/foursquare), which handles the
OAuth flow.
Merge pull request #1 from SimonEngelhardt/master

Update package to match new structure for accounts packages