Change-Id: I9d93052cfc197a364b42240448344d5543e8805f

* Allow custom chains to be present, other than the INPUT, FORWARD, OUTPUT default chains.

* Adding missing endif

* Require the packages to be installed first.

* Test should use rules as key, not rule.

* Making it a array list, instead of a dict.

* convert rules to a list instead of a dict.

* Only if policy is defined, include this statement.

* Only ensure chains if not container :)

* The chain is only ensured if we are not a container.

* Do not run at all for containers.