update to 4.0.0.rc1
since rails4 assets group was removed
simpifys config file
active resource was separated and not using it
creating a scope without a callable object is deprecated in Rails4
Object instances in Ruby1.9.3 no longer respond to id, Therefore whiny nils are no longer needed.
remove config.auto_explain_threshold_in_seconds

The reason why deprecated is here: https://github.com/rails/rails/pull/9400
add protected_attributes for transition
add config.eager_load in each environments
since rails4 require 'rails/all'
updating transition
update development.rb raisl4 style
updated test.rb rails4 style
rails4 assets enabled is true by default, so remove it
since Rails4 secret_token was renamed secret_key_base
[REFACTOR] Simplify declaretion
[COSTMETIC] Claen up indent
friendly_id is not working with rails4
remove attr_accessible from all models
fix DEPRECATION WARNING for dynamic finder