Runtime context format updates.

data/modules/clientrpc.lua

data/modules/match.lua

data/modules/match_init.lua

server/api_authenticate.go

server/api_friend.go

server/api_link.go

server/core_authenticate.go

server/match_handler.go

server/runtime.go

server/runtime_loadlib.go

server/runtime_lua_context.go

server/runtime_module_cache.go

server/runtime_nakama_module.go

tests/runtime_test.go