Use Punctuation Blacklist for Typeahead Normalizer

Summary:
This changes the Typeahead normalizer to use a punctuation blacklist instead of stripping all non-alphanumeric characters. As the normalizer stands now, any international characters (e.g. Japanese characters) are stripped.

Reviewers: epriestley, jg

Test Plan:
  > JX.TypeaheadNormalizer.normalize('Get rid of the periods...')
  "get rid of the periods"
  > JX.TypeaheadNormalizer.normalize('ラジオ')
  "ラジオ"

Differential Revision: 924

src/lib/control/typeahead/normalizer/TypeaheadNormalizer.js

@@ -4,16 +4,22 @@
  * @javelin
  */
 
-
 /**
  * @group control
  */
 JX.install('TypeaheadNormalizer', {
   statics : {
+    /**
+     * Normalizes a string by lowercasing it and stripping out extra spaces
+     * and punctuation.
+     *
+     * @param string
+     * @return string Normalized string.
+     */
     normalize : function(str) {
       return ('' + str)
-        .toLowerCase()
-        .replace(/[^a-z0-9 ]/g, '')
+        .toLocaleLowerCase()
+        .replace(/[\.,-\/#!$%\^&\*;:{}=\-_`~()]/g, '')
         .replace(/ +/g, ' ')
         .replace(/^\s*|\s*$/g, '');
     }