Add support for Zookeeper 3.5

library/zookeeper

@@ -8,3 +8,7 @@ Directory: 3.3.6
 Tags: 3.4.10, 3.4, latest
 GitCommit: 9f00dd78dcd67baa9b57449329fcbd4744948326
 Directory: 3.4.10
+
+Tags: 3.5.3-beta, 3.5
+GitCommit: 15b6f73b9f36a8bf4960c661427ac41de49cf534
+Directory: 3.5.3-beta