Fix date display in Firefox

Fixes #934

static/js/directives/ui/build-logs-view.js

@@ -175,7 +175,10 @@ angular.module('quay').directive('buildLogsView', function () {
       };
 
       $scope.formatDatetime = function(datetimeString) {
-        var dt = new Date(datetimeString);
+        // Note: The standard format required by the Date constructor in JS is
+        // "2011-10-10T14:48:00" for date-times. The date-time string we get is exactly that,
+        // but with a space instead of a 'T', so we just replace it.
+        var dt = new Date(datetimeString.replace(' ', 'T'));
         return dt.toLocaleString();
       }