#511 console / executor runtime upgrade to jdk8

Author: kfchu

saturn-docker/demo/Dockerfile

@@ -1,4 +1,4 @@
-FROM java:7
+FROM java:8
 
 ARG SATURN_EXECUTOR_DOWNLOAD_URL
 

saturn-docker/saturn-console/Dockerfile

@@ -1,4 +1,4 @@
-FROM java:7
+FROM java:8
 
 ARG SATURN_CONSOLE_DOWNLOAD_URL
 

saturn-docker/saturn-db/saturn-console.sql

@@ -444,5 +444,6 @@ INSERT INTO `role_permission`(`role_key`, `permission_key`) VALUES('namespace_ad
 #data
 INSERT INTO `zk_cluster_info`(`zk_cluster_key`, `alias`, `connect_string`) VALUES('cluster1', '集群1', 'console:2181');
 INSERT INTO `namespace_zkcluster_mapping`(`namespace`, `name`, `zk_cluster_key`) VALUES('saturn-it.vip.com', '业务组', 'cluster1');
-INSERT INTO sys_config(property,value) values('CONSOLE_ZK_CLUSTER_MAPPING','default:cluster1');
+INSERT INTO sys_config(property,value) VALUES('CONSOLE_ZK_CLUSTER_MAPPING','default:cluster1');
+INSERT INTO `namespace_info`(`namespace`) VALUES('saturn-it.vip.com');