Improve beacon node logging (#660)

* Squish prev commits into a single atop master

* Enable http and ws during testing

* Checkout clobbered files from master

* Further un-clobber rest_api changes

* Tidy formatting

* Do rust-fmt's job for it :|

beacon_node/websocket_server/src/config.rs

@@ -14,7 +14,7 @@ pub struct Config {
 impl Default for Config {
     fn default() -> Self {
         Config {
-            enabled: true,
+            enabled: false,
             listen_address: Ipv4Addr::new(127, 0, 0, 1),
             port: 5053,
         }