Merge branch 'stable'

CMakeLists.txt

client/CMakeLists.txt

connector/c/CMakeLists.txt

include/box/box.h

include/tarantool.h

src/admin.m

src/admin.rl

src/box/box.m

src/box/box_lua.m

src/box/box_lua_space.m

src/fiber.m

src/iproto.m

src/lua/info.m

src/lua/init.m

src/memcached.m

src/tarantool.m

test/box/CMakeLists.txt

test/connector_c/CMakeLists.txt