Add libreswan state and vpn box to vagrant
xl2tpd first pass
bootstrap fix attempts
fix for masterless salt regression and use actual trusty64
fix xl2tpd not having a status
fix a few ipsec errors
Add default interface grain
avoid commiting pyc files from grains
add external_ip grain from salt-contrib
get leftid from external ip
add "internet" network
modify grains for vpn server/client
first pass at vpn server/client configuring
several vpn fixes
fix network issue
remove leftsubnet option
add additional sysctl setup
fix xl2tpd for server/client
Many vpn updates

- fix lns name issues
- add vpn_client
- don't default route for nasus
- set up route for nasus
clean up some state configuration