Upgrade to Atomix 3.0.0-rc7 to use agent distribution

Change-Id: I368ea95456553518bd627b1f4197442535186158
diff --git a/lib/deps.json b/lib/deps.json
index 58d109b..a5a6b5f 100644
--- a/lib/deps.json
+++ b/lib/deps.json
@@ -128,7 +128,7 @@
       "atomix-storage",
       "atomix-utils",
       "typesafe-config",
-      "fast-classpath-scanner"
+      "classgraph"
     ]
   },
 
@@ -136,14 +136,15 @@
     "aopalliance-repackaged": "mvn:org.glassfish.hk2.external:aopalliance-repackaged:2.5.0-b42",
     "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:3.0.0-rc5",
-    "atomix-cluster": "mvn:io.atomix:atomix-cluster:3.0.0-rc5",
-    "atomix-gossip": "mvn:io.atomix:atomix-gossip:3.0.0-rc5",
-    "atomix-primary-backup": "mvn:io.atomix:atomix-primary-backup:3.0.0-rc5",
-    "atomix-primitive": "mvn:io.atomix:atomix-primitive:3.0.0-rc5",
-    "atomix-raft": "mvn:io.atomix:atomix-raft:3.0.0-rc5",
-    "atomix-storage": "mvn:io.atomix:atomix-storage:3.0.0-rc5",
-    "atomix-utils": "mvn:io.atomix:atomix-utils:3.0.0-rc5",
+    "atomix": "mvn:io.atomix:atomix:3.0.0-rc7",
+    "atomix-cluster": "mvn:io.atomix:atomix-cluster:3.0.0-rc7",
+    "atomix-gossip": "mvn:io.atomix:atomix-gossip:3.0.0-rc7",
+    "atomix-primary-backup": "mvn:io.atomix:atomix-primary-backup:3.0.0-rc7",
+    "atomix-primitive": "mvn:io.atomix:atomix-primitive:3.0.0-rc7",
+    "atomix-raft": "mvn:io.atomix:atomix-raft:3.0.0-rc7",
+    "atomix-storage": "mvn:io.atomix:atomix-storage:3.0.0-rc7",
+    "atomix-utils": "mvn:io.atomix:atomix-utils:3.0.0-rc7",
+    "classgraph": "mvn:io.github.classgraph:classgraph:4.0.3",
     "commons-codec": "mvn:commons-codec:commons-codec:1.10",
     "commons-cli": "mvn:commons-cli:commons-cli:1.3",
     "commons-collections": "mvn:commons-collections:commons-collections:3.2.2",