tendermint 0.11.0 compatibility

ansible/roles/config/templates/genesis-server.json.j2

@@ -12,7 +12,7 @@
         "data": "{{hostvars[host]["pubkey"]["data"]}}",
         "type": "{{hostvars[host]["pubkey"]["type"]}}"
       },
-      "amount":10,
+      "power":10,
       "name":"{{hostvars[host]["inventory_hostname"]}}"
     }
 {% endfor %}