__iptables*: Update manpages for execution order

To make some thinks clear if someone needs it ..

cdist/conf/type/__iptables_apply/man.rst

@@ -19,6 +19,16 @@ the subfolder ``all/`` are applied to both rule tables. All
 files contain the arguments for a single ``iptables`` and/or
 ``ip6tables`` command.
 
+Rules are applied in the following order:
+1. All IPv4 rules
+2. All IPv6 rules
+2. All rules that should be applied to both tables
+
+The order of the rules that will be applied are definite
+from the result the shell glob returns, which should be
+alphabetical. If rules must be applied in a special order,
+prefix them with a number like ``02-some-rule``.
+
 
 REQUIRED PARAMETERS
 -------------------

cdist/conf/type/__iptables_rule/man.rst

@@ -11,6 +11,10 @@ DESCRIPTION
 This cdist type allows you to manage iptable rules
 in a distribution independent manner.
 
+See :strong:`cdist-type__iptables_apply`\ (7) for the
+execution order of these rules. It will be executed
+automaticly to apply all rules non-volaite.
+
 
 REQUIRED PARAMETERS
 -------------------