Translate layout from erb to slim. Set up default navigation bar, etc
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
deleted file mode 100644
index ac0c7c7..0000000
--- a/app/views/layouts/application.html.erb
+++ /dev/null
@@ -1,14 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <title>DatabundleViewer</title>
-  <%= stylesheet_link_tag    'application', media: 'all' %>
-  <%= javascript_include_tag 'application' %>
-  <%= csrf_meta_tags %>
-</head>
-<body>
-
-<%= yield %>
-
-</body>
-</html>
diff --git a/app/views/layouts/application.html.slim b/app/views/layouts/application.html.slim
new file mode 100644
index 0000000..f94e7a4
--- /dev/null
+++ b/app/views/layouts/application.html.slim
@@ -0,0 +1,49 @@
+doctype html
+html
+  head
+    meta[charset="UTF-8"]
+    title
+      | DatabundleViewer
+    meta[content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" name="viewport"]
+    = stylesheet_link_tag 'application', media: 'all'
+    = 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.fixed.sidebar-mini
+    .wrapper
+      header.main-header
+        = link_to 'Databundle Viewer', root_path, class: 'logo'
+        nav.navbar.navbar-static-top[role="navigation"]
+          .navbar-custom-menu
+            ul.nav.navbar-nav
+              li.dropdown.user.user-menu
+                a.dropdown-toggle[href="#" data-toggle="dropdown"]
+                  span.hidden-xs
+                    | Guest
+                ul.dropdown-menu
+                  li.user-header
+                    p
+                      | Guest
+                      small
+                        | Member since Nov. 2012
+                  li.user-footer
+                    .pull-right
+                      a.btn.btn-default.btn-flat[href="#"]
+                        | Sign out
+      aside.main-sidebar
+        section.sidebar
+          .user-panel
+          ul.sidebar-menu
+            li.header
+              | MAIN NAVIGATION
+            li.treeview.active
+              a[href="#"]
+                i.fa.fa-dashboard
+                span
+                  | Dashboard
+                i.fa.fa-angle-left.pull-right
+      .content-wrapper
+        = yield
+      footer.main-footer
+      .control-sidebar-bg
+    = javascript_include_tag 'application'