#130 - Refactor routes.rb. Use scope for 'pipelines'.
#130 - Fix spec failures.

* Copied pipeline_dashboard_test.html to pipeline_dashboard_test_rails_new.html and made changes
  needed for new Rails in the latter. Using that new file and its fixture in the erb spec.
* Did the same as above, for pipelines_selector_test.html.
* Moved Rails home route down, as it was being considered first when used in 'url_for'.
Merge pull request #254 from mdaliejaz/fix_spec_failures

#130 - Fixed spec failures and did some refactoring.