Added in support for the new bitcoin meta tag proposition on Reddit.

<meta name="bitcoin" content="BTCADDRGOESHERE">
Added in the meta tag.
Code is now licensed under GPLv3 with permission from sweinberg.
Added full text of GPLv3
Trying this to see if it works.
Trying a new format for the get addr function
Seeing if jQuery will make it work.
Adding jQuery
Merge pull request #1 from caffeinewriter/gh-pages

Merging gh-pages to master to submit pull to origin.
Merge pull request #1 from caffeinewriter/master

Fixed it up to work with the bitcoin meta tag.