Merge branch 'master' into master-valgrind

CMakeLists.txt

cfg/CMakeLists.txt

cfg/tarantool_box_cfg.cfg

connector/c/CMakeLists.txt

core/tarantool_lua.m

doc/user/language-reference.xml

include/tarantool.h

mod/box/CMakeLists.txt

mod/box/box.h

mod/box/box.lua

mod/box/box.m

mod/box/box_lua.m

mod/box/memcached.m

test/CMakeLists.txt

test/box/admin.result

test/box/configuration.result

test/box/fifo.lua

test/box/lua.result

test/box/lua.test

test/box/stat.result