Support dashes in dependencies search box

This commit replaces the query tokenizer with a "nonword" tokenizer, in
order to mirror the one used for the indexation process.
This allows users to enter dashes in their search queries such as
"data-" and still get meaningful results.

Fixes #209

initializr/src/main/resources/static/js/start.js

@@ -181,7 +181,7 @@ $(function () {
     });
     var starters = new Bloodhound({
         datumTokenizer: Bloodhound.tokenizers.obj.nonword('name', 'description', 'keywords', 'group'),
-        queryTokenizer: Bloodhound.tokenizers.whitespace,
+        queryTokenizer: Bloodhound.tokenizers.nonword,
         identify: function (obj) {
             return obj.id;
         },