Merge remote branch 'origin/master' into core-unmmap-after-fork

.gitignore

CMakeLists.txt

Makefile

README

cfg/Makefile

cfg/core_cfg.cfg_tmpl

cfg/tarantool_cfg.h

cfg/tarantool_feeder_cfg.c

cfg/tarantool_feeder_cfg.cfg_tmpl

cfg/tarantool_silverbox_cfg.c

cfg/tarantool_silverbox_cfg.cfg_tmpl

cfg/warning.c

core/CMakeLists.txt

core/Makefile

core/admin.c

core/admin.rl

core/coro.c

core/fiber.c

core/log_io.c

core/palloc.c