loader: refactor ro manager/improve accuracy

spl: refactor for accuracy/move into libstrat

os: add FlushDataCache

strat: use m_ for member variables

ams: replace most remaining operator & with std::addressof

settings: fix correctness issue in LazyFileAccessor

strat: refactor address taking of form &var[...]

strat: always use explicit result namespacing

settings: implement KeyValueStore (#1659) ...

* settings: implement KeyValueStore and dependencies

* settings: update KeyValueStore for recent refactoring

* settings: address feedback

os: fix mutex push/pop prototypes

cs: prevent exceptions from manifesting

boot: save 12KB

erpt: save 8KB

strat: use ams::Main() instead of main(argc, argv)

strat: build sysmodules with -Wextra/-Werror

libstrat: fix compilation without pre-compiled header/without lto

libstrat: enable -Wextra, -Werror ...

This caught an embarrassingly large number of bugs.

os: fix MapTransferMemory output not being set

svc: refactor/rename MemoryInfo fields

strat: remove map namespace, svc: add address space defs

strat: use sf::NativeHandle for ipc templating

strat: prefer os::NativeHandle to Handle/svc::Handle where sensible

pm: use svc::LimitableResource where relevant

strat: use svc:: over ::svc

ams: the copyright^H^H^H^H^H^H^Hmplex plane is the algebraic closure of the reals

os: remove ManagedHandle, refactor to use NativeHandle typename

pm/cfg: simplify initial process id range logic

strat: automatic program id detection

os: adopt nintendo ReaderWriter naming over ReadWrite

os: amend io region api