Updated handlebars, added cloudcms links to references docs

bower.json

@@ -53,7 +53,7 @@
     "datatables.net-rowreorder": "1.1.0",
     "eonasdan-bootstrap-datetimepicker": "4.14.30",
     "google-code-prettify": "1.0.3",
-    "handlebars": "4.0.5",
+    "handlebars": "4.7.6",
     "handsontable": "0.11.4",
     "jquery": ">= 2.1.0",
     "jquery-hashchange": "https://github.com/gseguin/jquery-hashchange.git",

site/docs/api/references.md

@@ -26,6 +26,11 @@ By default, if Alpaca encounters a `$ref` in your schema, it look to see if ther
 options.  That is, unless you provide a specific `$ref` in your options for the same block, in which case it will use
 that instead.
 
+If you are using alpaca in CloudCMS, you can use references to refer to other content types by their qnames. Learn more here:
+
+https://www.cloudcms.com/documentation/forms/references.html
+
+https://www.cloudcms.com/documentation/content-models/references.html
 
 ## Example #1: Nested Tree (using Array)
 
@@ -176,7 +181,7 @@ Let's define an article that reuses the Author schema and options via `$ref` lik
 
 <div id="field4"> </div>
 {% raw %}
-<script type="text/javascript" id="field1-script">
+<script type="text/javascript" id="field4-script">
 $("#field4").alpaca({
     "type": "create",
     "schema": {