Merge pull request #1 from yaronr/master

Updated to v 4.11-9506-beta-2014.10.22
Touch vpn_server.config before starting docker,

this stops docker from creating an empty directory(with the name vpn_server.config).
Merge pull request #2 from vantonio/patch-1

Touch vpn_server.config on the host before starting docker
Expose 500/udp and 4500/udp for IPSec

Required ports taken from https://www.softether.org/3-spec
Merge pull request #3 from adlawson/patch-1

Expose ports for IPSec
Merge remote-tracking branch 'upstream/master'