Remove deprecated config.whiny_nils in the Dummy app test environment
Disable eager load in the Dummy app test environment
Update deprecated has_many options for Rails 4

Was receiving these deprecation warnings;

DEPRECATION WARNING: The following options in your Page.has_many :parts declaration are deprecated: :order. Please use a scope block instead. For example, the following:

    has_many :spam_comments, conditions: { spam: true }, class_name: 'Comment'

should be rewritten as the following:

    has_many :spam_comments, -> { where spam: true }, class_name: 'Comment'
Merge pull request #381 from radiant/rails4

Rails4