Merge pull request #7 from puppetlabs-operations/ops_1008

Fixing declaration bug, setting caches to default to an empty array.

Author: mattkirby

manifests/loadbalancer.pp

@@ -1,6 +1,6 @@
 define nginx::loadbalancer(
   $workers,
-  $caches,
+  $caches       = [],
   $backups      = [],
   $priority     = 75,
   $template     = 'nginx/vhost-loadbalancing.conf.erb',