Merge branch 'master' into tuple-transform

.gitignore

CMakeLists.txt

debian/rules

include/coeio.h

include/config.h.cmake

include/lua/init.h

include/tarantool_plugin.h

src/CMakeLists.txt

src/admin.cc

src/admin.rl

src/box/CMakeLists.txt

src/box/box_lua.cc

src/box/lua/box.lua

src/box/lua/box_net.lua

src/box/lua/misc.lua

src/box/lua/sql.lua

src/lua/init.cc

src/lua/mysql.cc

src/plugins/CMakeLists.txt

src/plugins/mysql/CMakeLists.txt