How to set up rspec-rails to generate feature specs for capybara

How to set up rspec-rails to generate feature specs for capybara

References

Reference NO 1

http://stackoverflow.com/questions/13651140/how-to-set-up-rspec-rails-to-generate-feature-specs-for-capybara

Reference NO 2

http://stackoverflow.com/questions/15148585/undefined-method-visit-when-using-rspec-and-capybara-in-rails

Reference NO 3

http://asciicasts.com/episodes/257-request-specs-and-capybara

Reference NO 4

http://jeffkreeftmeijer.com/2011/acceptance-testing-using-capybaras-new-rspec-dsl/

Reference NO 5

http://robots.thoughtbot.com/post/33771089985/

Reference NO 6

https://github.com/jnicklas/capybara/pull/809

Reference NO 7

https://www.relishapp.com/rspec/rspec-rails/

Reference NO 8

http://viget.com/extend/rails-engine-testing-with-rspec-capybara-and-factorygirl