add support for new check (#2)

* add support for new check

* use grains.fqdn and localhost

* use server.bind.port intead of default

* local check

* change subscriber to fqdn

metadata/service/server/cluster.yml

 applications:
 - mongodb
+classes:
+- service.mongodb.support
 parameters:
   _param:
     mongodb_server_replica_set: default

metadata/service/server/single.yml

 applications:
 - mongodb
+classes:
+- service.mongodb.support
 parameters:
   mongodb:
     server:

metadata/service/support.yml

+parameters:
+  mongodb:
+    _support:
+      collectd:
+        enabled: false
+      heka:
+        enabled: false
+      sensu:
+        enabled: true
+      sphinx:
+        enabled: false

mongodb/meta/sensu.yml

+{%- from "mongodb/map.jinja" import server with context -%}
+{%- if server.bind.address == '0.0.0.0' %}{%- set address = '127.0.0.1' %}{% else %}{%- set address = server.bind.address %}{% endif %}
+check:
+  local_mongodb_mdb_{{ grains.fqdn }}:
+    command: "PATH=$PATH:/etc/sensu/plugins check_mongodb.py -H {{ address }} -A connect -P {{ server.bind.port }}"
+    interval: 60
+    occurrences: 1
+    subscribers:
+    - {{ grains['fqdn']|replace('.', '-') }}