Merge pull request #2 from ShokiMatsuo/working

Initial Commit
Fix miswriting of index_controller_spec.rb
Add application.html.erb_spec.rb
Rename routes_spec.rb to index_route_spec.rb and Move to ./spec/routing
Fix Gemfile to include webrat
Rename index_route_spec.rb to routes_spec.rb
Merge branch 'master' of https://github.com/syguer/hk into HEAD
Implement the feature that enable user to access welcome page