LuaCOCO: fix stack alignment on amd64
LuaCOCO: implement thread local storage feature
LuaCOCO: use mmap to allocate c-stack on linux
lua: set minimum stack size to 1024 bytes
lua: compile lua for native platform
lua: rid of lua_setthis in core libraries
lua-scheduler: implement functions suspend_thread, resume_thread and cancel_wait
Implement unit testing infrastructure
Implement host build
lua: fix bug in cosocet.lua
lua: xavante: rid of socket:flush()