#130 - build_cause ERB and specs moved.
#130 - Move files from old Rails to new Rails.

* No change made. Files copied from old to new.
#130 - Move build cause popup to new Rails.
#130 - Move parts of pipelines_helper to new Rails.

* Only parts needed by build_cause_popup.html.erb are moved.
Merge pull request #230 from mdaliejaz/build_cause_to_new_rails

#130 - Build cause to new rails