Upgrade rails, sass-rails and coffee-rails
Add gem 'protected_attributes' for temporary dependency
Add config.eager_load setting to each environments
Remove active_record.auto_explain_threshold_in_seconds setting which is deprecated
Remove config.whiny_nils which is deprecated
Support Strong Parameter and remove the dependency on protected_attributes
Remove warning about :order in has_many declarations
Merge pull request #14 from kaznum/rails4

Support Strong Parameter
Fix favicon url
Merge pull request #15 from kaznum/fix_favicon

Fix favicon
Merge the output of `rake rails:update'
Change the copyright to ESTCOSMO
Add missing a period
Merge pull request #16 from kaznum/rake_rails_update

Merge the output of `rake rails:update'
Merge pull request #17 from kaznum/fix_copyright

Change copyright
Merge pull request #18 from ESTCOSMO/rails4

Upgrade to Rails 4