Merge branch 'fix-build-page-typo' into 'master'

Fix typo in build page of projects

The column containing links to the builds is named Runner but actually
contains the Build.

See merge request !2347

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

@@ -40,7 +40,7 @@
         %thead
           %tr
             %th Status
-            %th Runner
+            %th Build ID
             %th Commit
             %th Ref
             %th Stage