Bump to Rails 4.1.6
Merge pull request #178 from fastladder/rails_416

Bump to Rails 4.1.6
Optimized for deploy/run to Heroku

- Added some gems to Gemgile, and updated Gemfile.lock
  - PostgreSQL in production
  - rails_12factor gem
  - Unicorn
- Defined web proccess with Procfile
Added Heroku Button

- Put Heroku Button on README.md
- Added app.json
- Added config/secrets.yml for read secret_key_base from env in priduction
Added config/initializers/assets.rb
Merge pull request #179 from ayumin/heroku-button

Heroku Button
remove needless file
Add crawler process to Procfile

To enable to run crawler process via Foreman

    $ foreman start         # start both web and crawler processes
    $ foreman start crawler # start crawler process
Add Run section to README
readerでレーティング周りが動かないのを修正
Merge pull request #181 from kan/fix-rate-js

readerでレーティング周りが動かないのを修正
Merge pull request #180 from fastladder/foreman_crawler

Add crawler process to Procfile
Added database.yml.postgresql
fixed typo
Merge pull request #184 from ayumin/typo-appjson

fixed typo
Merge pull request #183 from ayumin/database-yml-pg

Added database.yml.postgresql
[Sign Up] Error of a blank username
destroy xss...
fix broken code.
Merge pull request #185 from laiso/fix_abort

[Sign Up] Error of a blank username