Improve build view for erased build details

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

@@ -78,8 +78,8 @@
 
       - if @build.erased?
         .erased.alert.alert-warning
-          - erased_by = "by #{@build.erased_by.username}" if @build.erased_by
-          Build has been erased #{erased_by} #{time_ago_with_tooltip(@build.erased_at)}
+          - erased_by = "by #{link_to @build.erased_by.name, user_path(@build.erased_by)}" if @build.erased_by
+          Build has been erased #{erased_by.html_safe} #{time_ago_with_tooltip(@build.erased_at)}
       - else
         %pre.trace#build-trace
           %code.bash
@@ -139,6 +139,10 @@
             %p
               %span.attr-name Finished:
               #{time_ago_with_tooltip(@build.finished_at)}
+          - if @build.erased_at
+            %p
+              %span.attr-name Erased:
+              #{time_ago_with_tooltip(@build.erased_at)}
           %p
             %span.attr-name Runner:
             - if @build.runner && current_user && current_user.admin