make version of ts_mon compatible with appengine

appengine_module/gae_ts_mon/README

Index: appengine_module/gae_ts_mon/README
diff --git a/appengine_module/gae_ts_mon/README b/appengine_module/gae_ts_mon/README
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+# SETTING UP GAE_TS_MON WITH APPENGINE
+
+Symlink this directory to your appengine app.
+
+Add a cron job to the cron.yaml file
+cron:
+- description: flush alerts metrics
+  url: /monitoring
+  schedule: every 5 minutes
+  target: monitoring
+
+Add a dispatch.yaml file
+dispatch:
+- url: "*/monitoring"
+  module: monitoring
+
+- url: "*/monitoring/*"
+  module: monitoring
+
+- url: "*/_ah/start"
+  module: monitoring
+
+- url: "*/*"
+  module: default
+
+# INCREMENTING OR SETTING A PROVIDED METRIC
+
+import gae_ts_mon
+url = app_identity.get_default_version_hostname()
+gae_ts_mon.access_count.increment(fields={'url_path': url + '/' + key,
+                                          'request_path': key,
+                                          'request_type': 'GET'})
+gae_ts_mon.request_bytes.add(48)
+
+See __init__.py for list of predefined metrics.
+
+# SENDING A SPECIFIC METRIC TO MONARCH
+
+gae_ts_mon.send(gae_ts_mon.access_count)
+
+# MANUALLY FLUSHING (SEND TO MONARCH) ALL METRICS
+
+gae_ts_mon.flush()
+
+All metrics will already flush automatically every five minutes.
+
+# ADDING A NEW METRIC
+
+alerts_count = gae_ts_mon.CounterMetric('gae/alerts')
+
+This may raise a MonitoringDuplicateRegistrationError if the name is already
+registered with a metric of a different type.
+
+# ADDING A NEW METRIC WITH CUSTOM TARGET:
+
+service, job, region, hostname, task = 'service', 'job', 'reg', 'host', 1
+custom_target = gae_ts_mon.TaskTarget(service, job, region, hostname, task)
+cats_metric = gae_ts_mon.CounterMetric('gae/cats', target=custom_target)