fixes MODULES-796
Cheat by adding quotes around policy ipsec and all following options
belonging to ipsec. Otherwise the line cannot be parsed correctly.
The list of options is taken from [1] and the output ordering was
experimentally verified with iptables-v1.4.21 on Ubuntu 14.04.

[1] http://ipset.netfilter.org/iptables-extensions.man.html
Add tests and fix docs/whitespace
Merge pull request #363 from hunner/fix_policy_ipsec_options

(MODULES-796) Fix policy ipsec options
(doc) Fix small typos in the README (MODULES-11)

For https://tickets.puppetlabs.com/browse/MODULES-11

Double "the" fixed and undo a typo fix that reverted this commit:
https://github.com/puppetlabs/puppetlabs-firewall/commit/13457a4ade45f4a46d64ceb4da9d2b9582c39fcd
Merge pull request #366 from lwh/fix/master/modules-11

(doc) Fix small typos in the README (MODULES-11)