Version date format and time ago + Fix folder toggle class

site/views/pages/index/project.jade

@@ -26,7 +26,9 @@ section(ng-controller="ProjectController as controller",ng-init="init('" + proje
         nav.versions-nav
             a.version(href="#",ng-repeat="_version in file.versions",ng-click="version_click(_version)")
                 div.date
-                    | {{_version.date}}
+                    | {{_version.date_formated}}
+                    sup.time-from-now
+                        | ({{_version.time_from_now}})
                 div.differences
                     | {{_version.diff_percent}}
         section.code

site/views/partials/header.jade

@@ -3,6 +3,7 @@ html(ng-app="application")
         title
             | Code Spectat
         script(src="/socket.io/socket.io.js")
+        script(src="/vendors/moment.min.js")
         script(src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/angular.min.js")
         script(src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/angular-route.js")
         script(src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/angular-resource.js")