デフォルトのレイアウトを修正
フィード一覧を修正
フィード詳細を修正
Merge branch 'fix_feed_index' of https://github.com/tyabe/rss_reader into fix-feed-index
Merge branch 'fix_feed_show' of https://github.com/tyabe/rss_reader into fix-feed-show
add information of pull requests in readme
Add rspec-rails

RSpec 3 will be released soon, so we don't need to use or learn old one.
be rails generate rspec:install
Add database_cleaner

database_cleaner will delete all entries in database before each example.
With this, we can avoid data conflict between examples.
Change default format to `documentation`

With this, rspec command will output full documentation of each
specs instead of dots. This is useful to know what's happening
in our specs.
Add first spec
Add .travis.yml
Compare times with `#to_i`

`Time` is compared by fractional.
http://railsware.com/blog/2014/04/01/time-comparison-in-ruby/
kaminariを追加
kaminariの設定ファイルを追加

$ rails g kaminari:config
１ページに表示するアイテム数のデフォルト値を設定
ページネーションの表示を追加
ページネーションのラベルを変更