Add typeahead selector

Author: BrodrickChilds

src/react-typeahead.js

@@ -1,7 +1,9 @@
 var Typeahead = require('./typeahead');
 var Tokenizer = require('./tokenizer');
+var TypeaheadSelector = require('./typeahead/selector')
 
 module.exports = {
   Typeahead: Typeahead,
-  Tokenizer: Tokenizer
+  Tokenizer: Tokenizer,
+  TypeaheadSelector: TypeaheadSelector
 };