Fix not works on production environment
removed application.js from config.assets.precompile
Replace Rfeedfinder with FeedSearcher

In addition, I found that hpricot is used in this rails application but not written in Gemfile.
Because Rfeedfinder was using it, it had worked without any problems.
Cleanup session controller and add spec
Use quiet assets, assets logs are pretty annoying :S
add auth helper method
add signin/signout feature spec

* rename requests to features (it become default from capybara2.0)
 * refs: http://alindeman.github.com/2012/11/11/rspec-rails-and-capybara-2.0-what-you-need-to-know.html
Merge pull request #47 from banyan/add-quiet-assets

Use quiet assets, assets logs are pretty annoying :S
Merge pull request #45 from banyan/cleanup-session-controller-and-add-spec

Cleanup session controller and add spec
Fix quotation wrapping is missing.
Merge pull request #50 from aerith/fix-name-error-on-user-index

Fix quotation wrapping is missing.
Remove unnecessary RpcHelper
Merge pull request #51 from makimoto/rm_unnecessary_rpc_helper

Remove unnecessary RpcHelper
Merge pull request #36 from mallowlabs/fix-not-works-production

Fix not works on production environment
create check digest API and update multi items api.

英語苦手なのであとは日本語で書く。

クローラー側がクロールしてきたフィードの digests 一覧を check_digest に送りつけると、 Fastladder 側は持ってないアイテムがどれかを返す。
クローラーはそれを受け取って新期分と更新分を送りつける。
Fix signup: secondary user cannot signup

Skip auth_key validation for default value(nil).
Merge pull request #52 from mzp/fix_signup

Fix signup: secondary user cannot signup
Avoid to define helper method on top-level context

refs: https://github.com/fastladder/fastladder/pull/48#discussion_r3403790
Merge pull request #43 from r7kamura/rip_rfeedfinder

Replace Rfeedfinder with FeedSearcher
Merge branch 'banyan-add-auth-feature-spec'