Bump version to 0.6

wordpress.app

@@ -1,6 +1,6 @@
 {
-  "version": "0.5",
-  "dockerImage": "girish/wordpress:0.5",
+  "version": "0.6",
+  "dockerImage": "girish/wordpress:0.6",
   "healthCheckPath": "/",
   "httpPort": "80",
   "addons": [ "mysql" ]