Add CI project url to project advanced settings

app/views/projects/_form.html.haml

@@ -117,6 +117,10 @@
       = f.label :token, "CI token", class: 'control-label'
       .col-sm-10
         = f.text_field :token, class: 'form-control', placeholder: 'xEeFCaDAB89'
+    .form-group
+      = f.label :url, "CI project URL", class: 'control-label'
+      .col-sm-10
+        = text_field_tag :url, project_url(@project), class: 'form-control', readonly: true
     .form-group
       = f.label :skip_refs, "Skip refs", class: 'control-label'
       .col-sm-10