Bump zookeeper and netty versions

Change-Id: I5ef5d78fe63e220e786453859b8cfb91dc0152a0
diff --git a/BUILD b/BUILD
index 9a9af83..761fb57 100644
--- a/BUILD
+++ b/BUILD
@@ -22,7 +22,7 @@
         "@curator-framework//jar",
         "@curator-recipes//jar",
         "@global-refdb//jar",
-        "@netty-all_3.5//jar",
+        "@netty-all//jar",
         "@zookeeper-jute_3.5//jar",
         "@zookeeper_3.5//jar",
     ],
diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
index b68d6cc..b7a7774 100644
--- a/external_plugin_deps.bzl
+++ b/external_plugin_deps.bzl
@@ -29,20 +29,20 @@
 
     maven_jar(
         name = "zookeeper_3.5",
-        artifact = "org.apache.zookeeper:zookeeper:3.5.7",
-        sha1 = "12bdf55ba8be7fc891996319d37f35eaad7e63ea",
+        artifact = "org.apache.zookeeper:zookeeper:3.5.8",
+        sha1 = "fc0d02657ed5b26029daa50d7f98b9806a0b13af",
     )
 
     maven_jar(
         name = "zookeeper-jute_3.5",
-        artifact = "org.apache.zookeeper:zookeeper-jute:3.5.7",
-        sha1 = "1270f80b08904499a6839a2ee1800da687ad96b4",
+        artifact = "org.apache.zookeeper:zookeeper-jute:3.5.8",
+        sha1 = "b399078f6ccfd6c258e42054091052e8f3e05824",
     )
 
     maven_jar(
-        name = "netty-all_3.5",
-        artifact = "io.netty:netty-all:4.1.45.Final",
-        sha1 = "e830eae36d22f2bba3118a3bc08e17f15263a01d",
+        name = "netty-all",
+        artifact = "io.netty:netty-all:4.1.48.Final",
+        sha1 = "ebb3666ba4883ba81920cec8ccb1a3adcc827eb1",
     )
 
     maven_jar(