resolving memory leaks

cfg/tarantool_box_cfg.c

core/CMakeLists.txt

core/fiber.m

core/log_io.m

core/tarantool.m

include/log_io.h

include/tarantool.h

mod/box/box.m

mod/box/index.h

mod/box/index.m

mod/box/memcached.h

mod/box/memcached.m

mod/box/tarantool.cfg

mod/box/tarantool.log

mod/box/vg.log

mod/box/vg.sup

third_party/proctitle.c

third_party/valgrind/memcheck.h

third_party/valgrind/valgrind.h