NXD Show ICP on front page & on footer of every other pages

TODO detect whether request comes from China and only then show ICP.

app/assets/stylesheets/framework/mobile.scss

@@ -102,6 +102,7 @@
   }
 }
 
+// TODO adjust .page-with-sidebar .icp-footer
 @media (max-width: $screen-sm-max) {
   .page-with-sidebar .content-wrapper {
     padding: 0;

app/assets/stylesheets/framework/sidebar.scss

@@ -21,6 +21,7 @@
   min-height: 100vh;
   width: 100%;
   padding: 20px;
+  padding-bottom: 0px;	// bottom is for .icp-footer
   background: #EAEBEC;
 
   .container-fluid {
@@ -36,6 +37,11 @@
   }
 }
 
+.icp-footer {
+  text-align: center;
+  padding: 10px;	// = content-wrapper.padding / 2
+}
+
 .nav-sidebar {
   margin-top: 14 + $header-height;
   margin-bottom: 100px;

app/helpers/page_layout_helper.rb

@@ -53,4 +53,13 @@ module PageLayoutHelper
 
     css_class
   end
+
+  def should_render_icp?
+    extra_config.has_key?('ICP')
+    # TODO render ICP only for requests from China
+  end
+
+  def render_icp
+    link_to extra_config.ICP, "http://www.miibeian.gov.cn/"
+  end
 end

app/views/layouts/_page.html.haml

@@ -28,3 +28,6 @@
       .content
         .clearfix
           = yield
+    .icp-footer
+      - if should_render_icp?
+        = render_icp

app/views/layouts/devise.html.haml

@@ -34,3 +34,5 @@
         = link_to "Help", help_path
         = link_to "About GitLab", "https://about.gitlab.com/"
         = link_to "About Nexedi", "http://nexedi.com/"
+        - if should_render_icp?
+          = render_icp

config/gitlab.yml.example

@@ -395,6 +395,9 @@ production: &base
     # piwik_url: '_your_piwik_url'
     # piwik_site_id: '_your_piwik_site_id'
 
+    ## Site ICP number
+    # ICP: '_your_site_icp_'
+
   rack_attack:
     git_basic_auth:
       # Rack Attack IP banning enabled