fs: for my sanity, begin tracking version where code was last checked for accuracy

fs: add gc validation wrappers for hac2l

fssrv: add ExternalKeyManager (rights-id crypto) for hac2l

libs: add ongoing work to facilitate hactool rewrite

libs: begin adding capacity for doing crypto on generic os (using externally-preset keys)

ams: support building unit test programs on windows/linux/macos

spl: fix legacy physical keyslot compatibility

ams: improve offsetof style consistency

ams: allow bootloader to merely approximate correct target firmware

spl: refactor for accuracy/move into libstrat

strat: use m_ for member variables

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

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

libstrat: enable -Wextra, -Werror ...

This caught an embarrassingly large number of bugs.

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

strat: use svc:: over ::svc

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

ams: update five -> aula, per CalWriterManu

gpio: add (most of) driver framework for boot sysmodule usage

ams: expose reboot payload for kernel panic

sf: Change interface definition methodology (#1074) ...

* sf: Begin experimenting with new interface declaration format

* sf: convert fs interfaces to new format

* sf: finish conversion of libstrat to new definitions

* sf: convert loader to new format

* sf: convert spl to new format

* sf: update ncm for new format

* sf: convert pm to new format

* sf: convert ro/sm to new format

* sf: update fatal for new format

* sf: support building dmnt under new scheme

* sf: update ams.mitm for new format

* sf: correct invocation def for pointer holder

* fs: correct 10.x+ user bindings for Get*SpaceSize

Implement support for parsing/interacting with NCAs. (#942) ...

* fs: implement support for interacting with ncas.

* spl: extend to use virtual keyslots

PRODINFO: Revamp blanking/write disallow policy. (#913) ...

* exo/fusee: hookup new prodinfo settings

* fusee: new scheme doesn't need FLAGS_DEFAULT

* fusee: fix c/p errors

* ams.mitm: completely revamp prodinfo backup mechanism

* ams.mitm: Implement revamped blanking/write policy

* strat: make early boot more debuggable

* exo: condense flag logic

pm: Update to support 10.0.0

ams: revamp assertion system

find -exec sed -i'' -e 's/2018-2019 Atmo/2018-2020 Atmo/g' {} +

git subrepo clone https://github.com/Atmosphere-NX/Atmosphere-libs libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "07af583b"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "07af583b"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"