Temporary bring /ci page page with help information

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

app/controllers/ci/projects_controller.rb

 module Ci
   class ProjectsController < Ci::ApplicationController
-    before_action :project
-    before_action :authenticate_user!, except: [:build, :badge]
-    before_action :authorize_access_project!, except: [:badge]
+    before_action :project, except: [:index]
+    before_action :authenticate_user!, except: [:index, :build, :badge]
+    before_action :authorize_access_project!, except: [:index, :badge]
     before_action :authorize_manage_project!, only: [:toggle_shared_runners, :dumped_yaml]
     before_action :no_cache, only: [:badge]
     protect_from_forgery

app/views/ci/projects/index.html.haml

+.wiki
+  %h1
+    GitLab CI is now integrated in GitLab UI
+  %h2 For existing projects
+
+  %p
+    Check the following pages to find the CI status you're looking for:
+
+  %ul
+    %li Projects page - shows CI status for each project.
+    %li Project commits page - show CI status for each commit.
+
+
+
+  %h2 For new projects
+
+  %p
+    If you want to enable CI for a new project it is easy as adding
+    = link_to ".gitlab-ci.yml", "http://doc.gitlab.com/ce/ci/yaml/README.html"
+    file to your repository