Revert atomix back to 1.0.0-rc9.

Change-Id: Id096ce01151795cf09f5c7200544e581c46ee202
diff --git a/lib/deps.json b/lib/deps.json
index 5bd5160..b9710ed 100644
--- a/lib/deps.json
+++ b/lib/deps.json
@@ -90,7 +90,7 @@
     "aopalliance-repackaged": "mvn:org.glassfish.hk2.external:aopalliance-repackaged:2.4.0-b34",
     "amqp-client": "mvn:com.rabbitmq:amqp-client:jar:3.6.1",
     "asm": "mvn:org.ow2.asm:asm:5.0.4",
-    "atomix": "mvn:io.atomix:atomix-all:1.0.0",
+    "atomix": "mvn:io.atomix:atomix-all:1.0.0-rc9",
     "commons-codec": "mvn:commons-codec:commons-codec:1.10",
     "commons-collections": "mvn:commons-collections:commons-collections:3.2.2",
     "commons-configuration": "mvn:commons-configuration:commons-configuration:1.10",