Upgrade Ruby from 2.1.3 to 2.1.5
Upgrade from Rails 4.2.0.beta2 to 4.2.0
Rename stylesheet to remove deprecation warning received

DEPRECATION WARNING: Extra .css in SCSS file is unnecessary. Rename
app/assets/stylesheets/styles.css.scss to app/assets/stylesheets/styles.scss. ...
Add .ruby-version to .gitignore
Merge pull request #20 from codedry/upgrade-rails-to-4.2-final

Upgrade Rails to 4.2 final