erp5_officejs: add cache for crib

bt5/erp5_officejs/PathTemplateItem/web_page_module/gadget_officejs_jio_crib_view_js.js

@@ -122,7 +122,9 @@
       var gadget = this;
       gadget.options = options;
       gadget.options.doc.title = gadget.options.doc.title || "";
-      gadget.options.jio_key = gadget.options.doc.reference;
+      if (gadget.options.doc.reference !== undefined) {
+        gadget.options.jio_key = gadget.options.doc.reference;
+      }
       return new RSVP.Queue()
         .push(function () {
           return RSVP.all([

bt5/erp5_officejs/PathTemplateItem/web_page_module/gadget_officejs_jio_crib_view_js.xml

@@ -245,7 +245,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1486743320.44</float>
+                        <float>1486976002.41</float>
                         <string>UTC</string>
                       </tuple>
                     </state>