Fixed url for folktale

The other is on a domain that must be dead, because it was redirecting to some spammy nonsense.

Author: joelmccracken

readme.md

@@ -907,7 +907,7 @@ getNestedPrice({item: {price: 9.99}}) // Some(9.99)
 * [Immutable](https://github.com/facebook/immutable-js/)
 * [Ramda](https://github.com/ramda/ramda)
 * [ramda-adjunct](https://github.com/char0n/ramda-adjunct)
-* [Folktale](http://folktalejs.org)
+* [Folktale](http://folktale.origamitower.com/)
 * [monet.js](https://cwmyers.github.io/monet.js/)
 * [lodash](https://github.com/lodash/lodash)
 * [Underscore.js](https://github.com/jashkenas/underscore)