Revert "FIXES #11 添加h2数据库支持"

This reverts commit c866f992806d4dc57f5ec86b6b614e3517cd9821.
Revert "FIXES #11 创建表结构"

This reverts commit 4e4b8a03c1f114aee9acd52d92064593747e55bf.
Revert "FIXES #11 加入表定义"

This reverts commit 7d21adb6b4ea7ca0ddce5b242fbed82ed487275a.
FIXES #11 添加本地NoSQL存储支持
FIXES #11 采取配置的模式来持久化股票信息