Add generated config file to .gitignore

Change-Id: Id8b7349589a21ed407d448267f8c23ade5656fee
diff --git a/conf/.gitignore b/conf/.gitignore
index f30287b..b8afa5e 100644
--- a/conf/.gitignore
+++ b/conf/.gitignore
@@ -1,3 +1,5 @@
 *.bak
 zoo.cfg
+hazelcast.xml
+ramcloud.conf
 onos_node.*.conf