add jails dependencies

jails.json

@@ -17,6 +17,9 @@
     ]
   },
   "default_jail_conf": {
+    "provide": "standard_ezjail",
+    "require": [],
+    "before": [],
     "exec_start": "/bin/sh /etc/rc",
     "exec_stop": null,
     "hostname": "%{name}",

scripts/lib/jail.rb

@@ -111,6 +111,9 @@ class JailRegistry < Registry
 
     def default_jail_conf
       {
+        "provide" => "standard_ezjail",
+        "require" => [],
+        "before" => [],
         "exec_start" => "/bin/sh /etc/rc",
         "exec_stop" => nil,
         "hostname" => "%{name}",

templates/jail.erb

@@ -1,4 +1,11 @@
 # THIS FILE WAS GENERATED, CHANGES WILL BE OVERWRITTEN
+
+#
+# PROVIDE: <%= provide %>
+# REQUIRE: <%= require_.join(" ") %>
+# BEFORE: <%= before.join(" ") %>
+#
+
 <% properties.each do |property,value| -%>
 export jail_<%= name %>_<%= property %>=<%= value %>
 <% end -%>