added etcd support

vipman.yaml

@@ -9,7 +9,6 @@ cluster:
     dir: ""
     id: ""
     address: ""
-    level: ""
     peers:
     - id: ""
       address: ""
@@ -19,7 +18,8 @@ cluster:
       cert: ""
       key: ""
       ca: ""
-      insecure: true
+      insecure: false
+    logLevel: ""
   etcd:
     endpoints:
     - ""
@@ -27,3 +27,9 @@ cluster:
     - ""
     prefix: ""
     clusterName: ""
+    username: ""
+    password: ""
+    tls:
+      ca: ""
+      insecure: false
+    logLevel: ""