Merge branch 'mr-builds-fixes' into 'master'

Link to correct (source) project on MR builds tab

Used to link to `gitlab-org/gitlab-ce/commits/<branch-name>`, now links to correct project.

See merge request !2115

app/views/projects/commit_statuses/_commit_status.html.haml

@@ -19,11 +19,11 @@
   - if defined?(commit_sha) && commit_sha
     %td
-      = link_to commit_status.short_sha, namespace_project_commit_path(@project.namespace, @project, commit_status.sha), class: "monospace"
-
+      = link_to commit_status.short_sha, namespace_project_commit_path(commit_status.project.namespace, commit_status.project, commit_status.sha), class: "monospace"
+      
   %td
     - if commit_status.ref
-      = link_to commit_status.ref, namespace_project_commits_path(@project.namespace, @project, commit_status.ref)
+      = link_to commit_status.ref, namespace_project_commits_path(commit_status.project.namespace, commit_status.project, commit_status.ref)
     - else
       .light none
@@ -66,7 +66,7 @@
   %td
     .pull-right
-      - if current_user && can?(current_user, :download_build_artifacts, @project) && commit_status.download_url
+      - if current_user && can?(current_user, :download_build_artifacts, commit_status.project) && commit_status.download_url
         = link_to commit_status.download_url, title: 'Download artifacts' do
           %i.fa.fa-download
       - if current_user && can?(current_user, :manage_builds, commit_status.project)