Add relative timestamps to PR and Issue refresh info (#41)

index.html

@@ -76,5 +76,7 @@
         <script src="js/vendor/bootstrap.min.js"></script>
         <script src="js/aggregator.js"></script>
         <script src="js/main.js"></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.9.0/moment.min.js"></script>
+        <script src="https://cdnjs.cloudflare.com/ajax/libs/angular-moment/0.9.0/angular-moment.min.js"></script>
     </body>
 </html>

js/main.js

@@ -1,4 +1,4 @@
-var dashboardApp = angular.module('dashboardApp', []);
+var dashboardApp = angular.module('dashboardApp', ['angularMoment']);
 
 $(function () {
   $("ul.nav li").click(function () {
@@ -52,7 +52,7 @@ dashboardApp.controller('IssuesController', function ($scope, $http, filterFilte
 
     aggregator.processIssues(function (data) {
       $scope.issues = data.issues;
-      $scope.last_updated = data.last_updated;
+      $scope.last_updated = new Date(data.last_updated);
 
       // watch labels for changes
       $scope.$watch('labels|filter:{selected:true}', function (nv) {

templates/issues.html

@@ -26,7 +26,7 @@
                         </div>
                 </div>
             </div>
-            <div>Issues last refreshed from GitHub on {{last_updated}}.</div>
+            <div><i class="fa fa-clock-o"></i>&nbsp;Updated <span am-time-ago="last_updated"></span></div>
             <div class="test-result" ng-repeat="repo in issues">
                 <h3 ng-click="toggleRepo(repo)" id="{{repo.repo}}" class="repo-title">
                   <span ng-if="repo.show">

templates/pullrequests.html

@@ -1,7 +1,7 @@
 <div class="row" xmlns="http://www.w3.org/1999/html">
     <div class="span12">
         <div id="dashboard" ng-init="init()">
-            <div>Pull Requests last refreshed from Github on {{last_updated}}.</div>
+            <div><i class="fa fa-clock-o"></i>&nbsp;Updated <span am-time-ago="last_updated"></span></div>
               <div class="test-result" ng-repeat="repo in issues">
                 <h3 ng-click="toggleRepo(repo)" id="{{repo.repo}}" class="repo-title">
                   <span ng-if="repo.show">