Build zk_manager as a dynamic-load-libary libzk_manager.so
Do unittest in main_test.cc, which should link libzk_manager.so dynamicly when run.

prerequisite:
 install zookeeper.

code files struct:
- functions file
 src/*, include/*

- test file
 unittest.cc

- project build file
 makefile

How to build dynamic-load-libary:
 make

How to run unittest:
 make test

How to clean
 make clean