Added rjil::zookeeper

Added contrail dependency zookeeper.
Added security banner on server logins

Added content to sync to /etc/issue or /etc/issue.net.
Configured SSH server to print banner.
Added unit tests for rjil::system.
Added redis as contrail dependency
Merge pull request #63 from hkumarmk/contrail_redis

Added redis as contrail dependency
Merge pull request #60 from hkumarmk/contrail_zookeeper

Added rjil::zookeeper
Merge pull request #61 from hkumarmk/added_banner

Added security banner on server logins
Install modules in /usr/share rather than /etc
Merge pull request #65 from sorenh/master

Install modules in /usr/share rather than /etc
Use fgrehm/trusty64-lxc when using the LXC provider
Merge pull request #66 from sorenh/lxc

Use fgrehm/trusty64-lxc when using the LXC provider
Use environment file to populate Vagrant config
Don't try to install Puppet every single time.
Don't hardcode IP for proxy. Rely on environment.
Ensure etcd discovery token is set

Bail out if it's not already set in the VM and not available in the
environment. If it'se available in the environment inject it into the
VM.

Provide newtokens.sh to fetch new tokens.
Add Consul support

Add the basic Consul framework and monitor etcd as an example.
Shuffle roles around, add cron job for discovery service
Handle consul discovery token in Vagrantfile, too.
Merge remote-tracking branch 'sorenh/consul' into consul