update configs for rails 4

config/application.rb

@@ -2,12 +2,9 @@ require File.expand_path('../boot', __FILE__)
 
 require 'rails/all'
 
-if defined?(Bundler)
-  # If you precompile assets before deploying to production, use this line
-  Bundler.require(*Rails.groups(:assets => %w(development test)))
-  # If you want your assets lazily compiled in production, use this line
-  # Bundler.require(:default, :assets, Rails.env)
-end
+# Require the gems listed in Gemfile, including any gems
+# you've limited to :test, :development, or :production.
+Bundler.require(:default, Rails.env)
 
 require 'yaml'
 SITE_CONFIG = YAML.load_file(File.join(File.dirname(__FILE__), 'site.yml'))
@@ -48,19 +45,10 @@ module Tracksapp
     # This is necessary if your schema can't be completely dumped by the schema dumper,
     # like if you have constraints or database-specific column types
     # config.active_record.schema_format = :sql
-
-    # Enforce whitelist mode for mass assignment.
-    # This will create an empty whitelist of attributes available for mass-assignment for all models
-    # in your app. As such, your models will need to explicitly whitelist or blacklist accessible
-    # parameters by using an attr_accessible or attr_protected declaration.
-    config.active_record.whitelist_attributes = true
     
     # Set timezone of dates in database
     config.active_record.default_timezone = :utc
 
-    # Enable the asset pipeline
-    config.assets.enabled = true
-
     # Disable loading of the full environment when precompiling assets
     config.assets.initialize_on_precompile = false