SSL support

[asarubbo]

Since 3.5.5 zookeeper supports SSL, would be great have the support here too. Thanks

[phunt]

Great idea, do you have a patch to donate? Happy to review. thx.

[asarubbo]

I don't have a patch.

However, if you want to connect via ssl you have to pass:

-Dzookeeper.clientCnxnSocket=org.apache.zookeeper.ClientCnxnSocketNetty
-Dzookeeper.client.secure=true
-Dzookeeper.ssl.keyStore.location=keystore.jks 
-Dzookeeper.ssl.keyStore.password=pass
-Dzookeeper.ssl.trustStore.location=truststore.jks
-Dzookeeper.ssl.trustStore.password=pass