Updated application layout and data_bundle index page
diff --git a/app/views/data_bundles/index.html.slim b/app/views/data_bundles/index.html.slim
index 56016e3..107cc01 100644
--- a/app/views/data_bundles/index.html.slim
+++ b/app/views/data_bundles/index.html.slim
@@ -1,30 +1,32 @@
-.row
-  - if user_signed_in?
-    .col-xs-6
-      .box
-        .box-header
-          h3.box-title Databundles
-        .box-body.table-responsive.no-padding
-          table.table.table-hover
-            tbody
-              tr
-                th Name
-                th Date
-                th Donwload
-                th Links
-              - @data_bundles.each do |data_bundle|
+section.content-header
+  h1
+    | DataBundles
+section.content
+  .row
+    - if user_signed_in?
+      .col-xs-6
+        .box
+          .box-body.table-responsive.no-padding
+            table.table.table-hover
+              tbody
                 tr
-                  td
-                    = data_bundle.name
-                  td
-                    = data_bundle.created_at.strftime('%d-%m-%Y %H:%M')
-                  td
-                    = link_to data_bundle.file_identifier, data_bundle.file.url
-                  td
-                    = link_to 'Show', data_bundle
-                    = link_to 'Edit', edit_data_bundle_path(data_bundle)
-                    = link_to 'Destroy', data_bundle, data: {confirm: 'Are you sure?'}, method: :delete
-    .col-xs-5
-      = render partial: 'form'
-  - else
+                  th Name
+                  th Date
+                  th Donwload
+                  th Links
+                - @data_bundles.each do |data_bundle|
+                  tr
+                    td
+                      = data_bundle.name
+                    td
+                      = data_bundle.created_at.strftime('%d-%m-%Y %H:%M')
+                    td
+                      = link_to data_bundle.file_identifier, data_bundle.file.url
+                    td
+                      = link_to 'Show', data_bundle
+                      = link_to 'Edit', edit_data_bundle_path(data_bundle)
+                      = link_to 'Destroy', data_bundle, data: {confirm: 'Are you sure?'}, method: :delete
+      .col-xs-5
+        = render partial: 'form'
+    - else
 
diff --git a/app/views/layouts/application.html.slim b/app/views/layouts/application.html.slim
index b35b28c..1a44cbf 100644
--- a/app/views/layouts/application.html.slim
+++ b/app/views/layouts/application.html.slim
@@ -9,7 +9,7 @@
     = csrf_meta_tags
     link[href="https://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css" rel="stylesheet" type="text/css"]
     link[href="https://code.ionicframework.com/ionicons/2.0.1/css/ionicons.min.css" rel="stylesheet" type="text/css"]
-  body.skin-blue
+  body.skin-blue.layout-top-nav
     .wrapper
       header.main-header
         = link_to 'Databundle Viewer', root_path, class: 'logo'
@@ -29,7 +29,8 @@
                       .pull-right
                         = link_to 'Sign out', destroy_user_session_path, class: 'btn btn-default btn-flat', id: 'sign_out'
       .content-wrapper
-        = yield
+        .container
+          = yield
       footer.main-footer
       .control-sidebar-bg
     = javascript_include_tag 'application'