add file lock to fmbmgr
add version and remove fcntl file lock
add version and sniffing loop
add test
add test makefile
增加同步模块
fix bug
skindex add sync
skindex support ipc sync
add root directory Makefile
Merge branch 'dev'

Conflicts:
	test/Makefile
	test/fm_p_mgr_test.cc
	test/memory_mgr_test.cc
	test/sk_index_test.cc