Fix issue with Consul configuration on VirtualBox

Modify `consul.conf` to force Consul to bind to eth1 instead of eth0. Edit `server.json` to use the correct working directory for Consul, as created by `consul.sh` during provisioning.

consul/consul.conf

@@ -11,9 +11,11 @@ script
   fi
 
 export GOMAXPROCS=`nproc`
+BIND_ADDR=`hostname -I | cut -f2 -d' '`
 
 exec /usr/local/bin/consul agent \
   -config-dir="/etc/consul.d/server" \
+  -bind $BIND_ADDR \
   ${CONSUL_FLAGS} \
   >>/var/log/consul.log 2>&1
 end script

consul/server.json

@@ -2,7 +2,7 @@
 	"bootstrap": false,
 	"server": true,
 	"datacenter": "dc1",
-	"data_dir": "/tmp",
+	"data_dir": "/var/consul",
 	"log_level": "INFO",
 	"enable_syslog": true,
 	"start_join": ["192.168.100.101", "192.168.100.102", "192.168.100.103"]