refactor: 移除Hibernate依赖并重构代理对象初始化检查逻辑

feat(controller): 新增多个任务类用于合同和客户相关操作
feat(service): 新增ProxyUtils工具类替代Hibernate.isInitialized检查
refactor(controller): 重构多个控制器和皮肤类，使用ProxyUtils替代Hibernate
refactor(service): 重构服务类，移除Hibernate依赖并优化方法实现
fix(controller): 修复表格单元格初始化逻辑，确保代理对象正确加载
chore: 更新项目版本号至0.0.58-SNAPSHOT
docs: 添加MyProperties类用于管理下载路径配置

client/src/main/java/com/ecep/contract/AppV2.java

@@ -1,28 +1,13 @@
 package com.ecep.contract;
 
 import javafx.application.Application;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 /**
  * Created by Administrator on 2017/4/16.
  */
 public class AppV2 {
-    private static final Logger logger = LoggerFactory.getLogger(AppV2.class);
-
     public static void main(String[] args) {
         Application.launch(Desktop.class, args);
-        done();
-    }
-
-    private static void done() {
-        logger.info("done");
-        try {
-            Desktop.shutdown();
-        } catch (Exception e) {
-            throw new RuntimeException(e);
-        }
-        System.out.println("AppV2.done");
     }
 
     public static final String DEFAULT_HOST = "10.84.209.154";