Ashish91

This PR corrects the url for the blog [7 ways to decompose fat active record models](http://blog.codeclimate.com/blog/2012/10/17/7-ways-to-decompose-fat-activerecord-models). The url has been changed from http://blog.codeclimate.com/blog/2012/10/17/7-ways-to-decompose-fat-activerecord-models to https://codeclimate.com/blog/7-ways-to-decompose-fat-activerecord-models.

… association instead of authors because has_many associations uses 2 queries with eager_load while belongs_to uses 1 query ### Motivation / Background This Pull Request has been created because because...