Add README file for unit test
add declaration of function
suit_seq_list.c, suit is wrong, rename it suite_seq_list.c
code style changed
move subdir var to another .mk file and clear up the Makefile
Added a common rules or function file, subdir var move into it
Added  and  var for more in common use
Make staic and dynamic lib rather than only dynamic lib
Add CUnit header file and lib for unit test(CUnit ver:2.1.2)
Complete make project framework for unit test, and added a unit test code as template