add pipeline column within builds index

app/views/projects/builds/_table.html.haml

@@ -10,6 +10,7 @@
         %tr
           %th Status
           %th Build
+          %th Pipeline
           - if admin
             %th Project
             %th Runner

app/views/projects/ci/builds/_build.html.haml

@@ -51,6 +51,15 @@
       - if build.manual?
         %span.label.label-info manual
 
+  %td
+    = link_to pipeline_path(build.pipeline) do
+      %span.pipeline-id ##{build.pipeline.id}
+    %span by
+    - if build.pipeline.user
+      = user_avatar(user: build.pipeline.user, size: 20)
+    - else
+      %span.api.monospace API
+
   - if admin
     %td
       - if build.project