adds parameter documentations

manifests/main/files.pp

@@ -42,7 +42,7 @@ class cd_haproxy::main::files (
     # create the header
     concat::fragment { 'header':
       target    =>  $hy_main_config,
-      content   =>  $hy_config_head_erb,
+      content   =>  template($hy_config_head_erb),
       order     =>  '001',
     }
   }

manifests/params.pp

@@ -67,7 +67,7 @@ $hy_main_dir          = '/etc/haproxy'
 
 # files
 $hy_main_config       = "${hy_main_dir}/haproxy.cfg"
-$hy_config_head_erb   = 'cd_puppet/haproxy_head.erb'
+$hy_config_head_erb   = 'cd_haproxy/haproxy_head.erb'
 
 
 # includes must be last