Merge pull request #61 from DeivaLiang/patch-6

增加--instance参数，写入Entity（instance="xxx"）

src/Entity/Stub/Model.stub

@@ -1,14 +1,12 @@
 <?php
-
 namespace {{namespace}};
 
 {{uses}}
 /**
 {{entityName}}
- * @Entity()
+ * @Entity({{instance}})
  * @Table(name="{{entity}}")
  * @uses      {{entityClass}}
- * @version   {{entityDate}}
  */
 class {{entityClass}} extends {{extends}}
 {{{property}}{{setter}}{{getter}}