camelize (Inflector)

    # File lib/active_support/inflector.rb, line 160
      def camelize(lower_case_and_underscored_word, first_letter_in_uppercase = true)
        if first_letter_in_uppercase
          lower_case_and_underscored_word.to_s.gsub(/\/(.?)/) { "::#{$1.upcase}" }.gsub(/(?:^|_)(.)/) { $1.upcase }
        else
          lower_case_and_underscored_word.first + camelize(lower_case_and_underscored_word)[1..-1]
        end
      end