delete msvc debug output file
change .gitignore to ingore *.embed.manifest.res
change format_src/main to format backup src
	:del glog, format_src, syslayer
	 test code
change .gitignore to ignore *..embed.manifest.res
change format_src proj:
       del some folder, test code, makefile_test from backup_release
add macros for windows (F_OK, R_OK, W_OK, X_OK)
comment out some code using #ifdef SYS_WINDOWS