Use 0.0.0.0 instead of 0 as server.host (#211)

Author: watson

internal/install/static_kibana_config_yml.go

@@ -6,7 +6,7 @@ package install
 
 const kibanaConfigYml = `  
 server.name: kibana
-server.host: "0"
+server.host: "0.0.0.0"
 
 elasticsearch.hosts: [ "http://elasticsearch:9200" ]
 elasticsearch.username: elastic