Fix color bug: not intense_cyan but bright_cyan

[sonots]

ANSI array is defined as below. intense_cyan should be bright_cyan. Same for others.

ANSI = {
  :reset          => 0,
  :black          => 30,
  :red            => 31,
  :green          => 32,
  :yellow         => 33,
  :blue           => 34,
  :magenta        => 35,
  :cyan           => 36,
  :white          => 37,
  :bright_black   => 30,
  :bright_red     => 31,
  :bright_green   => 32,
  :bright_yellow  => 33,
  :bright_blue    => 34,
  :bright_magenta => 35,
  :bright_cyan    => 36,
  :bright_white   => 37,
}