標準スレッドライブラリへの変更をマージ

Merge branch 'cpp11' into utf8

Conflicts:
	common/mutex.h
	common/strcode.h
	graphic/calltext.cpp
	graphic/event.cpp
	graphic/scenes/table.cpp
	graphic/scenes/table.h
	graphic/scenes/table/nakibtn.cpp
	graphic/scrmanip.cpp
	graphic/scrmanip.h
	graphic/text.cpp
	logger/logger.cpp
	mihajong/main.cpp
	mjcore/ai/aiscript.cpp
	mjcore/chat.cpp
	mjcore/fuuro.cpp
	mjcore/gameloop.cpp
	mjcore/main.cpp
	mjcore/prepare.cpp
	mjcore/remote.cpp
	mjcore/yaku/yaku.cpp
	mjcore/yaku/yaku.h
	socket/class.cpp
	socket/class.h
	socket/client.cpp
	socket/client.h
	socket/server.cpp
	socket/server.h