Add default navbar and left panel

app/views/layouts/_navbar.html.haml

@@ -15,7 +15,10 @@
 %div.col-lg-10.col-md-10.no-padding
   %div#navbar-body
     %div.row
+      -begin
         = render partial: @navbar_url
+      -rescue
+        = render partial: 'layouts/navbars/navbar_default'
       %div.col-lg-1.col-md-1.log-options
         %span.fa.fa-sign-out
 

app/views/layouts/application.html.haml

@@ -26,7 +26,10 @@
           = render partial: "layouts/navbar"
       %div.row.no-margin
         %div.col-lg-2.col-md-2#left-pannel
+          - begin
             = render partial: @left_pannel_url
+          -rescue
+            = render partial: 'layouts/left_panels/left_panel_default'
         %div.col-lg-10.col-md-10#main-container
           %div.row
             = render partial: 'layouts/flash_messages'

app/views/layouts/left_panels/_left_panel_default.html.haml

@@ -0,0 +1,2 @@
+%div
+  Default Left Panel

app/views/layouts/navbars/_navbar_default.html.haml

@@ -0,0 +1,2 @@
+.col-lg-10.col-md-10
+  Default navbar