Merge branch 'sensu_check' into 'master'

add default refresh interval

See merge request !11
diff --git a/sensu/files/check.json b/sensu/files/check.json
index 63502fd..5fc71e0 100644
--- a/sensu/files/check.json
+++ b/sensu/files/check.json
@@ -47,6 +47,9 @@
       {%- if check.get('timeout', 300) %}
       "timeout": {{ check.get('timeout', 300) }},
       {%- endif %}
+      {%- if check.get('refresh', 86400) %}
+      "refresh": {{ check.get('refresh', 86400) }},
+      {%- endif %}
       {%- if check.low_flap_threshold is defined %}
       "low_flap_threshold": {{ check.low_flap_threshold }},
       "high_flap_threshold": {{ check.high_flap_threshold }},