Adds external url

Changes build column in environment details

app/assets/stylesheets/pages/environments.scss

@@ -14,6 +14,7 @@
     width: 12px;
   }
 
+  .external-url,
   .dropdown-new {
     color: $table-text-gray;
   }
@@ -30,6 +31,19 @@
   .branch-name {
     color: $gl-dark-link-color;
   }
+  
+  .deployment {
+    .build-column {
+    
+      .build-link {
+        color: $gl-dark-link-color;
+      }
+      
+      .avatar {
+        float: none;
+      }
+    }
+  }
 }
 
 .table.builds.environments {

app/views/projects/deployments/_actions.haml

 - if can?(current_user, :create_deployment, deployment) && deployment.deployable
   .pull-right
+  
+    - external_url = deployment.deployable.try(:external_url)
+    - if external_url
+      = link_to external_url, target: '_blank', class: 'btn external-url' do
+        = icon('external-link')
+    
     - actions = deployment.manual_actions
     - if actions.present?
       .inline

app/views/projects/deployments/_deployment.html.haml

@@ -5,11 +5,12 @@
   %td
     = render 'projects/deployments/commit', deployment: deployment
 
-  %td
+  %td.build-column
     - if deployment.deployable
-      = link_to [@project.namespace.becomes(Namespace), @project, deployment.deployable] do
-        = user_avatar(user: deployment.user, size: 20)
+      = link_to [@project.namespace.becomes(Namespace), @project, deployment.deployable], class: 'build-link' do
         = "#{deployment.deployable.name} (##{deployment.deployable.id})"
+      by
+      = user_avatar(user: deployment.user, size: 20)
 
   %td
     #{time_ago_with_tooltip(deployment.created_at)}