加载chains-config问题

[DongHuangT1]

本来打算设置别名，但是发现加载chains-config是从工作目录加载，希望修改为从jar自身所在目录加载。

> java -jar /root/Java-Chains/java-chains.jar
...
01-08 21:35:49.429 INFO  [Thread-2] c.a.c.core.GadgetFactory       |  | ThirdLib 'c3p0-c3p0-0.9.1.1' is null, plz check it
01-08 21:35:49.430 INFO  [Thread-2] c.a.c.core.GadgetFactory       |  | ThirdLib 'mchange-c3p0-0.9.1.2' is null, plz check it
01-08 21:35:49.431 INFO  [Thread-2] c.a.c.core.GadgetFactory       |  | ThirdLib 'hibernate5' is null, plz check it
01-08 21:35:49.432 INFO  [Thread-2] c.a.c.core.GadgetFactory       |  | ThirdLib 'hibernate5' is null, plz check it