v3.0.0-rc.1

We are reaching the final release of V3 🥂 🍺

Breaking Changes

• When try the demo, use npm start instead of npm run demo now
• The OAuth tokens are now stored in Stores, without need to get code every time
• Some Store APIs are updated, with api names changes
• Now can pass scope and state when generating your custom oauth url, generateOAuthUrl (redirectUrl, scope, state), see #3
• Add support for node v4 by removing default function parameter

Fixing and Updates

• fix oauth url query order
• implementation for storing oauth tokens for MongoStore
• Add MongoStore options for custom host and port config
• does not threw error when batch operation is empty, since it's not error on the Store perspective
• fix some UTs
• use different debug names for stores
• use strict mode