Merge branch '22006-change-build-wording-to-pipeline-in-mr-block-add-pipeline-id' into 'master'

Changed mr widget build status to pipeline status

## What does this MR do?

Changed mr widget build status to pipeline status with pipeline id, with a link to the pipeline.

## Are there points in the code the reviewer needs to double check?

Do we want the link to the pipeline?

/cc @dimitrieh 

## Screenshots (if relevant)

![Screen_Shot_2016-09-14_at_02.42.23](/uploads/94a860361ab70eccf966e519764c6ec5/Screen_Shot_2016-09-14_at_02.42.23.png)

## Does this MR meet the acceptance criteria?

- [ ] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [ ] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?

Closes #22006

See merge request !6335

CHANGELOG

@@ -120,6 +120,7 @@ v 8.12.0
   - Reduce contributions calendar data payload (ClemMakesApps)
   - Show all pipelines for merge requests even from discarded commits !6414
   - Replace contributions calendar timezone payload with dates (ClemMakesApps)
+  - Changed MR widget build status to pipeline status !6335
   - Add `web_url` field to issue, merge request, and snippet API objects (Ben Boeckel)
   - Enable pipeline events by default !6278
   - Move parsing of sidekiq ps into helper !6245 (pascalbetz)

app/assets/stylesheets/pages/merge_requests.scss

@@ -70,7 +70,8 @@
     &.ci-success {
       color: $gl-success;
 
-      a.environment {
+      a.environment,
+      a.pipeline {
         color: inherit;
       }
     }

app/views/projects/merge_requests/widget/_heading.html.haml

@@ -4,14 +4,15 @@
       .ci_widget{ class: "ci-#{status}", style: ("display:none" unless @pipeline.status == status) }
         = ci_icon_for_status(status)
         %span
-          CI build
+          Pipeline
+          = link_to "##{@pipeline.id}", namespace_project_pipeline_path(@pipeline.project.namespace, @pipeline.project, @pipeline.id), class: 'pipeline'
           = ci_label_for_status(status)
         for
         - commit = @merge_request.diff_head_commit
         = succeed "." do
           = link_to @pipeline.short_sha, namespace_project_commit_path(@merge_request.source_project.namespace, @merge_request.source_project, @pipeline.sha), class: "monospace"
         %span.ci-coverage
-        = link_to "View details", builds_namespace_project_merge_request_path(@project.namespace, @project, @merge_request), class: "js-show-tab", data: {action: 'builds'}
+        = link_to "View details", pipelines_namespace_project_merge_request_path(@project.namespace, @project, @merge_request), class: "js-show-tab", data: {action: 'pipelines'}
 
 - elsif @merge_request.has_ci?
   - # Compatibility with old CI integrations (ex jenkins) when you request status from CI server via AJAX