added 30 new heroes to superhero.js / Perl script to generate heroes

need_another_hero.pl generator

needs Perl JSON module (shell> cpan JSON)
![screen shot 2014-03-18 at 10 14 17 pm](https://f.cloud.github.com/assets/58883/2455923/3c2af620-af0c-11e3-9c13-2de8ecd1736b.png)