class Jekyll::Configuration

def read_config_files(files)

configuration files
Returns the full configuration, with the defaults overridden by the values in the

files - the list of configuration file paths

Public: Read in a list of configuration files and merge with this hash 
def read_config_files(files)
  configuration = clone
  begin
    files.each do |config_file|
      next if config_file.nil? || config_file.empty?
      new_config = read_config_file(config_file)
      configuration = Utils.deep_merge_hashes(configuration, new_config)
    end
  rescue ArgumentError => e
    Jekyll.logger.warn "WARNING:", "Error reading configuration. Using defaults (and options)."
    warn e
  end
  configuration.validate.add_default_collections
end