Load page if HTTP authorized

Whew! Thanks to the [awesome people at stackoverflow](https://github.com/Seldaek/php-console/pull/8), I now understand that my best bet is to rebase my local repository and then forcibly push that to my fork of this project whenever I wish to update it to the status of the main one.

Sorry for all the unnecessary activity up here. But now I hope you'll take a moment to check out this very clean pull request and the [original discussion](https://github.com/Seldaek/php-console/pull/8) for it. It will allow the page to load only if it was either launched from localhost or HTTP authorization was successful.