Add ipv6 routes to both security group and routing tables
Add ipv6 routes to both security group and routing tables

Although people won't see the ipv6 until they start to use it.  Note that there
are a bunch of manual steps to turn on IPv6 for this setup.  This change merely
automates the tedious work of setting up the routing tables and security
groups.
https://github.com/e-mission/e-mission-server/issues/530#issuecomment-354061649

At this point, I declare that I am done with tweaking the configuration and
will use the configuration deployed from this template (including
75d19de346a04cb51142e048e9eea05b1d15b44c,
7a32bb69f232f312cf97c4089d8edbd14be642eb...) as the setup for the
default/reference e-mission server.

e-mission/e-mission-server,shankari/e-mission-server,e-mission/e-mission-server,shankari/e-mission-server,shankari/e-mission-server,e-mission/e-mission-server,shankari/e-mission-server,e-mission/e-mission-server