def config_exists(file, root)
        present_location = File.join(root, file)
        File.exist?(present_location) ? present_location : false
      end
def config_exists(file, root)
        present_location = File.join(root, file)
        File.exist?(present_location) ? present_location : false
      end
See if a config file exists

 @see load_config_file

 This is used exclusively for the load_config_file method
 @param file [String] file name
 @param root [String] file path to root directory
 @return [String, FalseClass] if file is found return the absolute path
   otherwise return false so we can keep checking