New upstream version 0.28.1

NOTICE

@@ -11,8 +11,3 @@ Bootstrap
 http://getbootstrap.com
 Copyright 2011-2014 Twitter, Inc.
 Licensed under the MIT License
-
-bootstrap-datetimepicker.js
-http://www.eyecon.ro/bootstrap-datepicker
-Copyright 2012 Stefan Petre
-Licensed under the Apache License, Version 2.0

alertmanager.yml

@@ -1,16 +1,13 @@
-global:
-  resolve_timeout: 5m
-
 route:
   group_by: ['alertname']
-  group_wait: 10s
-  group_interval: 10s
+  group_wait: 30s
+  group_interval: 5m
   repeat_interval: 1h
   receiver: 'web.hook'
 receivers:
-- name: 'web.hook'
-  webhook_configs:
-  - url: 'http://127.0.0.1:5001/'
+  - name: 'web.hook'
+    webhook_configs:
+      - url: 'http://127.0.0.1:5001/'
 inhibit_rules:
   - source_match:
       severity: 'critical'