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

fs: revise NcaFileSystemDriver for latest semantics

fssrv: flesh out the program registry

fssrv: skeleton more program registry logic

fssrv: add skeleton getters for service object sf::SharedPointers

fssrv: skeleton server manager setup/registration

fs: add skeleton dir for sysmodule code ...

Please note this isn't likely to immediately be the active ams project.

ams: improve offsetof style consistency

strat: use m_ for member variables

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

strat: always use explicit result namespacing

libstrat: enable -Wextra, -Werror ...

This caught an embarrassingly large number of bugs.

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

os: adopt nintendo ReaderWriter naming over ReadWrite

ams: std::optional -> util::optional

fs: properly implement OperateRangeWithBuffer, correct OperationId names.

fs: add (stubbed) OperateRangeWithBuffer implementation

ams_mitm: update for new sf semantics

util::unique_lock, update loader to new sf semantics

libstrat: convert to experimental new (super-accurate) sf allocation semantics

fs: update + consolidate path normalization logic

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

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"