Bumping netty dependency versions to 4.1.5.Final.

Including test fixes.

Few more places referencing atomix version

Change-Id: I48fb8fa255624a86ae12117845603f7d53f1c29e
diff --git a/core/store/primitives/BUCK b/core/store/primitives/BUCK
index 6fa9630..0758c3e 100644
--- a/core/store/primitives/BUCK
+++ b/core/store/primitives/BUCK
@@ -14,6 +14,7 @@
     '//lib:netty-handler',
     '//lib:netty-buffer',
     '//lib:netty-codec',
+    '//lib:netty-resolver',
 
 ]