Cleaner help page

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/help/index.html.haml

-.jumbotron
-  %h2
+%div
+  %h1
     GitLab
     %span= Gitlab::VERSION
     %small= Gitlab::REVISION
@@ -16,7 +16,17 @@
     %br
     Read more about GitLab at #{link_to "www.gitlab.com", "https://www.gitlab.com/", target: "_blank"}.
 
+%hr
+
 .row
+  .col-md-8
+    .documentation-index
+      = preserve do
+        - readme_text = File.read(Rails.root.join("doc", "README.md"))
+        - text = readme_text.dup
+        - readme_text.scan(/\]\(([^(]+)\)/) { |match| text.gsub!(match.first, "help/#{match.first}") }
+        = markdown text
+
   .col-md-4
     .panel.panel-default
       .panel-heading
@@ -32,13 +42,3 @@
         %li
           Use
           = link_to "shortcuts", '#', onclick: "new Shortcuts()"
-
-  .col-md-8
-    .panel.panel-default.documentation-index
-      .panel-heading Documentation
-      .panel-body
-        = preserve do
-          - readme_text = File.read(Rails.root.join("doc", "README.md"))
-          - text = readme_text.dup
-          - readme_text.scan(/\]\(([^(]+)\)/) { |match| text.gsub!(match.first, "help/#{match.first}") }
-          = markdown text