support_request_ui: display relative time

including https://github.com/moment/moment version 2.22.2 Copyright (c)
JS Foundation and other contributors

bt5/erp5_officejs_support_request_ui/PathTemplateItem/web_page_module/gadget_supportrequest_pt_form_view_discussable_html.xml

@@ -252,7 +252,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1538885951.97</float>
+                        <float>1538971816.32</float>
                         <string>GMT+9</string>
                       </tuple>
                     </state>

bt5/erp5_officejs_support_request_ui/PathTemplateItem/web_page_module/gadget_supportrequest_pt_form_view_discussable_js.js

-/*global window, rJS, RSVP, calculatePageTitle, FormData, URI, jIO*/
+/*global window, rJS, RSVP, calculatePageTitle, FormData, URI, jIO, moment */
 /*jslint nomen: true, indent: 2, maxerr: 3 */
-(function (window, rJS, RSVP, calculatePageTitle) {
+(function (window, rJS, RSVP, calculatePageTitle, moment) {
   "use strict";
 
   rJS(window)
@@ -152,6 +152,16 @@
             page_title: all_result[7]
           });
         })
+        .push(function () {
+          // set locale for momentjs
+          return gadget.jio_getAttachment(
+            'post_module',
+            gadget.hateoas_url + "/Localizer/get_selected_language",
+            {format:'text'}
+          ).push(function(lang){
+            moment.locale(lang);
+          })
+        })
         .push(function () {
           return gadget.jio_getAttachment(
             'post_module',
@@ -181,7 +191,7 @@
             for (i = 0; i < post_list.length; i += 1) {
               s += '<li>' +
                 'By <strong>' + post_list[i][0] + '</strong>' +
-                ' - <time>' + post_list[i][1] + '</time><br/>';
+                ' - <time datetime="' + post_list[i][1] + '" title="' + moment(post_list[i][1]).format('LLLL') + '">' + moment(post_list[i][1]).fromNow() + '</time><br/>';
               if (post_list[i][3] !== null && result_list[i] !== null) {
                 post_list[i][3] = result_list[i];
               }
@@ -269,4 +279,4 @@
     .onEvent('submit', function () {
       this.submitPostComment();
     });
-}(window, rJS, RSVP, calculatePageTitle));
\ No newline at end of file
+}(window, rJS, RSVP, calculatePageTitle, moment));
\ No newline at end of file

bt5/erp5_officejs_support_request_ui/PathTemplateItem/web_page_module/gadget_supportrequest_pt_form_view_discussable_js.xml

@@ -252,7 +252,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1538886067.22</float>
+                        <float>1538972059.78</float>
                         <string>GMT+9</string>
                       </tuple>
                     </state>

bt5/erp5_officejs_support_request_ui/SkinTemplateItem/portal_skins/erp5_officejs_support_request/PostModule_createHTMLPostForSupportRequest.py

@@ -53,7 +53,7 @@ if successor_list:
 portal.portal_sessions[
     '%s.latest_comment' % follow_up_value.getRelativeUrl()]['comment_post_list'] = (
     post.Base_getOwnerTitle(),
-    post.getStartDate().rfc822(),
+    post.getStartDate().ISO8601(),
     post.asStrippedHTML(),
     successor_link,
     successor_name,

bt5/erp5_officejs_support_request_ui/SkinTemplateItem/portal_skins/erp5_officejs_support_request/SupportRequest_getCommentPostListAsJson.py

@@ -23,7 +23,7 @@ for event in event_list:
 
   comment_list.append((
       event.getSourceTitle(),
-      event.getStartDate().rfc822(),
+      event.getStartDate().ISO8601(),
       event.asStrippedHTML(),
       attachment_link,
       attachment_name,