Add proper lua api deprecated handling

builtin/misc.lua

minetest.conf.example

src/defaultsettings.cpp

src/guiFormSpecMenu.cpp

src/script/common/c_internal.cpp

src/script/common/c_internal.h

src/script/lua_api/l_object.cpp

src/script/lua_api/l_particles.cpp

src/script/lua_api/l_util.cpp

src/script/scripting_game.cpp

src/script/scripting_game.h