Log Message:
Update to 3.27
Add LICENSE

Upstream changes:
2013-01-22  Jarkko Hietaniemi  <jhi@google.com>

	* Resolve https://rt.cpan.org/Ticket/Display.html?id=69029
	  Do not die (adist()) on empty pattern string.

	* Resolve https://rt.cpan.org/Ticket/Display.html?id=36707
	  Do not die on undefined inputs, just return undef.

	* Resolve https://rt.cpan.org/Ticket/Display.html?id=82341
	  Explicitly specify the licensing to be Artistic 2 or LGPL 2.

	* Modernize all the tests to use Test::More.

	* Add some tests for UTF-8 inputs.

	* Mark some stalled/ancient bugs as resolved.

	* Delete the hopelessly obsolete BUGS file.

	* Released as 3.27.